264642040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16417}}^1$

素因数の和:16472

約数の個数: 64

約数和(自身を含む): 661973760

約数和(自身を除く): 397331720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 16417, 32834, 65668, 82085, 131336, 164170, 213421, 328340, 426842, 508927, 656680, 853684, 1017854, 1067105, 1707368, 2035708, 2134210, 2544635, 4071416, 4268420, 5089270, 6616051, 8536840, 10178540, 13232102, 20357080, 26464204, 33080255, 52928408, 66160510, 132321020, 264642040]

約数ペア:

[(1, 264642040), (2, 132321020), (4, 66160510), (5, 52928408), (8, 33080255), (10, 26464204), (13, 20357080), (20, 13232102), (26, 10178540), (31, 8536840), (40, 6616051), (52, 5089270), (62, 4268420), (65, 4071416), (104, 2544635), (124, 2134210), (130, 2035708), (155, 1707368), (248, 1067105), (260, 1017854), (310, 853684), (403, 656680), (520, 508927), (620, 426842), (806, 328340), (1240, 213421), (1612, 164170), (2015, 131336), (3224, 82085), (4030, 65668), (8060, 32834), (16120, 16417)]