13170520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 33242400

約数和(自身を除く): 20071880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 809, 814, 1480, 1618, 1628, 2035, 3236, 3256, 4045, 4070, 6472, 8090, 8140, 8899, 16180, 16280, 17798, 29933, 32360, 35596, 44495, 59866, 71192, 88990, 119732, 149665, 177980, 239464, 299330, 329263, 355960, 598660, 658526, 1197320, 1317052, 1646315, 2634104, 3292630, 6585260, 13170520]

約数ペア:

[(1, 13170520), (2, 6585260), (4, 3292630), (5, 2634104), (8, 1646315), (10, 1317052), (11, 1197320), (20, 658526), (22, 598660), (37, 355960), (40, 329263), (44, 299330), (55, 239464), (74, 177980), (88, 149665), (110, 119732), (148, 88990), (185, 71192), (220, 59866), (296, 44495), (370, 35596), (407, 32360), (440, 29933), (740, 17798), (809, 16280), (814, 16180), (1480, 8899), (1618, 8140), (1628, 8090), (2035, 6472), (3236, 4070), (3256, 4045)]