64551040

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{349}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 164398500

約数和(自身を除く): 99847460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 289, 320, 340, 349, 544, 578, 640, 680, 698, 1088, 1156, 1360, 1396, 1445, 1745, 2176, 2312, 2720, 2792, 2890, 3490, 4624, 5440, 5584, 5780, 5933, 6980, 9248, 10880, 11168, 11560, 11866, 13960, 18496, 22336, 23120, 23732, 27920, 29665, 36992, 44672, 46240, 47464, 55840, 59330, 92480, 94928, 100861, 111680, 118660, 184960, 189856, 201722, 223360, 237320, 379712, 403444, 474640, 504305, 759424, 806888, 949280, 1008610, 1613776, 1898560, 2017220, 3227552, 3797120, 4034440, 6455104, 8068880, 12910208, 16137760, 32275520, 64551040]

約数ペア:

[(1, 64551040), (2, 32275520), (4, 16137760), (5, 12910208), (8, 8068880), (10, 6455104), (16, 4034440), (17, 3797120), (20, 3227552), (32, 2017220), (34, 1898560), (40, 1613776), (64, 1008610), (68, 949280), (80, 806888), (85, 759424), (128, 504305), (136, 474640), (160, 403444), (170, 379712), (272, 237320), (289, 223360), (320, 201722), (340, 189856), (349, 184960), (544, 118660), (578, 111680), (640, 100861), (680, 94928), (698, 92480), (1088, 59330), (1156, 55840), (1360, 47464), (1396, 46240), (1445, 44672), (1745, 36992), (2176, 29665), (2312, 27920), (2720, 23732), (2792, 23120), (2890, 22336), (3490, 18496), (4624, 13960), (5440, 11866), (5584, 11560), (5780, 11168), (5933, 10880), (6980, 9248)]