8915836840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{312617}}^1$

素因数の和:312682

約数の個数: 64

約数和(自身を含む): 21608156160

約数和(自身を除く): 12692319320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 14260, 28520, 312617, 625234, 1250468, 1563085, 2500936, 3126170, 6252340, 7190191, 9691127, 12504680, 14380382, 19382254, 28760764, 35950955, 38764508, 48455635, 57521528, 71901910, 77529016, 96911270, 143803820, 193822540, 222895921, 287607640, 387645080, 445791842, 891583684, 1114479605, 1783167368, 2228959210, 4457918420, 8915836840]

約数ペア:

[(1, 8915836840), (2, 4457918420), (4, 2228959210), (5, 1783167368), (8, 1114479605), (10, 891583684), (20, 445791842), (23, 387645080), (31, 287607640), (40, 222895921), (46, 193822540), (62, 143803820), (92, 96911270), (115, 77529016), (124, 71901910), (155, 57521528), (184, 48455635), (230, 38764508), (248, 35950955), (310, 28760764), (460, 19382254), (620, 14380382), (713, 12504680), (920, 9691127), (1240, 7190191), (1426, 6252340), (2852, 3126170), (3565, 2500936), (5704, 1563085), (7130, 1250468), (14260, 625234), (28520, 312617)]