65313280

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:877

約数の個数: 80

約数和(自身を含む): 161846784

約数和(自身を除く): 96533504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 823, 992, 1240, 1280, 1646, 1984, 2480, 2560, 3292, 3968, 4115, 4960, 6584, 7936, 8230, 9920, 13168, 15872, 16460, 19840, 25513, 26336, 32920, 39680, 51026, 52672, 65840, 79360, 102052, 105344, 127565, 131680, 204104, 210688, 255130, 263360, 408208, 421376, 510260, 526720, 816416, 1020520, 1053440, 1632832, 2041040, 2106880, 3265664, 4082080, 6531328, 8164160, 13062656, 16328320, 32656640, 65313280]

約数ペア:

[(1, 65313280), (2, 32656640), (4, 16328320), (5, 13062656), (8, 8164160), (10, 6531328), (16, 4082080), (20, 3265664), (31, 2106880), (32, 2041040), (40, 1632832), (62, 1053440), (64, 1020520), (80, 816416), (124, 526720), (128, 510260), (155, 421376), (160, 408208), (248, 263360), (256, 255130), (310, 210688), (320, 204104), (496, 131680), (512, 127565), (620, 105344), (640, 102052), (823, 79360), (992, 65840), (1240, 52672), (1280, 51026), (1646, 39680), (1984, 32920), (2480, 26336), (2560, 25513), (3292, 19840), (3968, 16460), (4115, 15872), (4960, 13168), (6584, 9920), (7936, 8230)]