26247080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 62138880

約数和(自身を除く): 35891800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 347, 488, 610, 620, 694, 1220, 1240, 1388, 1735, 1891, 2440, 2776, 3470, 3782, 6940, 7564, 9455, 10757, 13880, 15128, 18910, 21167, 21514, 37820, 42334, 43028, 53785, 75640, 84668, 86056, 105835, 107570, 169336, 211670, 215140, 423340, 430280, 656177, 846680, 1312354, 2624708, 3280885, 5249416, 6561770, 13123540, 26247080]

約数ペア:

[(1, 26247080), (2, 13123540), (4, 6561770), (5, 5249416), (8, 3280885), (10, 2624708), (20, 1312354), (31, 846680), (40, 656177), (61, 430280), (62, 423340), (122, 215140), (124, 211670), (155, 169336), (244, 107570), (248, 105835), (305, 86056), (310, 84668), (347, 75640), (488, 53785), (610, 43028), (620, 42334), (694, 37820), (1220, 21514), (1240, 21167), (1388, 18910), (1735, 15128), (1891, 13880), (2440, 10757), (2776, 9455), (3470, 7564), (3782, 6940)]