16491640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 41614560

約数和(自身を除く): 25122920

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, 814, 1013, 1480, 1628, 2026, 2035, 3256, 4052, 4070, 5065, 8104, 8140, 10130, 11143, 16280, 20260, 22286, 37481, 40520, 44572, 55715, 74962, 89144, 111430, 149924, 187405, 222860, 299848, 374810, 412291, 445720, 749620, 824582, 1499240, 1649164, 2061455, 3298328, 4122910, 8245820, 16491640]

約数ペア:

[(1, 16491640), (2, 8245820), (4, 4122910), (5, 3298328), (8, 2061455), (10, 1649164), (11, 1499240), (20, 824582), (22, 749620), (37, 445720), (40, 412291), (44, 374810), (55, 299848), (74, 222860), (88, 187405), (110, 149924), (148, 111430), (185, 89144), (220, 74962), (296, 55715), (370, 44572), (407, 40520), (440, 37481), (740, 22286), (814, 20260), (1013, 16280), (1480, 11143), (1628, 10130), (2026, 8140), (2035, 8104), (3256, 5065), (4052, 4070)]