66419980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9739}}^1$

素因数の和:9790

約数の個数: 48

約数和(自身を含む): 157086720

約数和(自身を除く): 90666740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 9739, 19478, 38956, 48695, 97390, 107129, 194780, 214258, 301909, 428516, 535645, 603818, 1071290, 1207636, 1509545, 2142580, 3019090, 3320999, 6038180, 6641998, 13283996, 16604995, 33209990, 66419980]

約数ペア:

[(1, 66419980), (2, 33209990), (4, 16604995), (5, 13283996), (10, 6641998), (11, 6038180), (20, 3320999), (22, 3019090), (31, 2142580), (44, 1509545), (55, 1207636), (62, 1071290), (110, 603818), (124, 535645), (155, 428516), (220, 301909), (310, 214258), (341, 194780), (620, 107129), (682, 97390), (1364, 48695), (1705, 38956), (3410, 19478), (6820, 9739)]