16480520080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1\times {\mathrm{2791}}^1$

素因数の和:5216

約数の個数: 80

約数和(自身を含む): 39584037888

約数和(自身を除く): 23103517808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2381, 2480, 2791, 4762, 5582, 9524, 11164, 11905, 13955, 19048, 22328, 23810, 27910, 38096, 44656, 47620, 55820, 73811, 86521, 95240, 111640, 147622, 173042, 190480, 223280, 295244, 346084, 369055, 432605, 590488, 692168, 738110, 865210, 1180976, 1384336, 1476220, 1730420, 2952440, 3460840, 5904880, 6645371, 6921680, 13290742, 26581484, 33226855, 53162968, 66453710, 106325936, 132907420, 206006501, 265814840, 412013002, 531629680, 824026004, 1030032505, 1648052008, 2060065010, 3296104016, 4120130020, 8240260040, 16480520080]

約数ペア:

[(1, 16480520080), (2, 8240260040), (4, 4120130020), (5, 3296104016), (8, 2060065010), (10, 1648052008), (16, 1030032505), (20, 824026004), (31, 531629680), (40, 412013002), (62, 265814840), (80, 206006501), (124, 132907420), (155, 106325936), (248, 66453710), (310, 53162968), (496, 33226855), (620, 26581484), (1240, 13290742), (2381, 6921680), (2480, 6645371), (2791, 5904880), (4762, 3460840), (5582, 2952440), (9524, 1730420), (11164, 1476220), (11905, 1384336), (13955, 1180976), (19048, 865210), (22328, 738110), (23810, 692168), (27910, 590488), (38096, 432605), (44656, 369055), (47620, 346084), (55820, 295244), (73811, 223280), (86521, 190480), (95240, 173042), (111640, 147622)]