1655767040

素因数分解:

$2^{16}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 136

約数和(自身を含む): 4127163648

約数和(自身を除く): 2471396608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 163, 248, 256, 310, 320, 326, 496, 512, 620, 640, 652, 815, 992, 1024, 1240, 1280, 1304, 1630, 1984, 2048, 2480, 2560, 2608, 3260, 3968, 4096, 4960, 5053, 5120, 5216, 6520, 7936, 8192, 9920, 10106, 10240, 10432, 13040, 15872, 16384, 19840, 20212, 20480, 20864, 25265, 26080, 31744, 32768, 39680, 40424, 40960, 41728, 50530, 52160, 63488, 65536, 79360, 80848, 81920, 83456, 101060, 104320, 126976, 158720, 161696, 163840, 166912, 202120, 208640, 253952, 317440, 323392, 327680, 333824, 404240, 417280, 507904, 634880, 646784, 667648, 808480, 834560, 1015808, 1269760, 1293568, 1335296, 1616960, 1669120, 2031616, 2539520, 2587136, 2670592, 3233920, 3338240, 5079040, 5174272, 5341184, 6467840, 6676480, 10158080, 10348544, 10682368, 12935680, 13352960, 20697088, 25871360, 26705920, 41394176, 51742720, 53411840, 82788352, 103485440, 165576704, 206970880, 331153408, 413941760, 827883520, 1655767040]

約数ペア:

[(1, 1655767040), (2, 827883520), (4, 413941760), (5, 331153408), (8, 206970880), (10, 165576704), (16, 103485440), (20, 82788352), (31, 53411840), (32, 51742720), (40, 41394176), (62, 26705920), (64, 25871360), (80, 20697088), (124, 13352960), (128, 12935680), (155, 10682368), (160, 10348544), (163, 10158080), (248, 6676480), (256, 6467840), (310, 5341184), (320, 5174272), (326, 5079040), (496, 3338240), (512, 3233920), (620, 2670592), (640, 2587136), (652, 2539520), (815, 2031616), (992, 1669120), (1024, 1616960), (1240, 1335296), (1280, 1293568), (1304, 1269760), (1630, 1015808), (1984, 834560), (2048, 808480), (2480, 667648), (2560, 646784), (2608, 634880), (3260, 507904), (3968, 417280), (4096, 404240), (4960, 333824), (5053, 327680), (5120, 323392), (5216, 317440), (6520, 253952), (7936, 208640), (8192, 202120), (9920, 166912), (10106, 163840), (10240, 161696), (10432, 158720), (13040, 126976), (15872, 104320), (16384, 101060), (19840, 83456), (20212, 81920), (20480, 80848), (20864, 79360), (25265, 65536), (26080, 63488), (31744, 52160), (32768, 50530), (39680, 41728), (40424, 40960)]