55897960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 132134400

約数和(自身を除く): 76236440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 739, 1220, 1240, 1478, 1891, 2440, 2956, 3695, 3782, 5912, 7390, 7564, 9455, 14780, 15128, 18910, 22909, 29560, 37820, 45079, 45818, 75640, 90158, 91636, 114545, 180316, 183272, 225395, 229090, 360632, 450790, 458180, 901580, 916360, 1397449, 1803160, 2794898, 5589796, 6987245, 11179592, 13974490, 27948980, 55897960]

約数ペア:

[(1, 55897960), (2, 27948980), (4, 13974490), (5, 11179592), (8, 6987245), (10, 5589796), (20, 2794898), (31, 1803160), (40, 1397449), (61, 916360), (62, 901580), (122, 458180), (124, 450790), (155, 360632), (244, 229090), (248, 225395), (305, 183272), (310, 180316), (488, 114545), (610, 91636), (620, 90158), (739, 75640), (1220, 45818), (1240, 45079), (1478, 37820), (1891, 29560), (2440, 22909), (2956, 18910), (3695, 15128), (3782, 14780), (5912, 9455), (7390, 7564)]