25871360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 88

約数和(自身を含む): 64455936

約数和(自身を除く): 38584576

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, 2480, 2560, 2608, 3260, 3968, 4960, 5053, 5120, 5216, 6520, 7936, 9920, 10106, 10432, 13040, 15872, 19840, 20212, 20864, 25265, 26080, 31744, 39680, 40424, 41728, 50530, 52160, 79360, 80848, 83456, 101060, 104320, 158720, 161696, 166912, 202120, 208640, 323392, 404240, 417280, 646784, 808480, 834560, 1293568, 1616960, 2587136, 3233920, 5174272, 6467840, 12935680, 25871360]

約数ペア:

[(1, 25871360), (2, 12935680), (4, 6467840), (5, 5174272), (8, 3233920), (10, 2587136), (16, 1616960), (20, 1293568), (31, 834560), (32, 808480), (40, 646784), (62, 417280), (64, 404240), (80, 323392), (124, 208640), (128, 202120), (155, 166912), (160, 161696), (163, 158720), (248, 104320), (256, 101060), (310, 83456), (320, 80848), (326, 79360), (496, 52160), (512, 50530), (620, 41728), (640, 40424), (652, 39680), (815, 31744), (992, 26080), (1024, 25265), (1240, 20864), (1280, 20212), (1304, 19840), (1630, 15872), (1984, 13040), (2480, 10432), (2560, 10106), (2608, 9920), (3260, 7936), (3968, 6520), (4960, 5216), (5053, 5120)]