25281740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 60418176

約数和(自身を除く): 35136436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 337, 341, 484, 605, 620, 674, 682, 1210, 1348, 1364, 1685, 1705, 2420, 3370, 3410, 3707, 3751, 6740, 6820, 7414, 7502, 10447, 14828, 15004, 18535, 18755, 20894, 37070, 37510, 40777, 41788, 52235, 74140, 75020, 81554, 104470, 114917, 163108, 203885, 208940, 229834, 407770, 459668, 574585, 815540, 1149170, 1264087, 2298340, 2528174, 5056348, 6320435, 12640870, 25281740]

約数ペア:

[(1, 25281740), (2, 12640870), (4, 6320435), (5, 5056348), (10, 2528174), (11, 2298340), (20, 1264087), (22, 1149170), (31, 815540), (44, 574585), (55, 459668), (62, 407770), (110, 229834), (121, 208940), (124, 203885), (155, 163108), (220, 114917), (242, 104470), (310, 81554), (337, 75020), (341, 74140), (484, 52235), (605, 41788), (620, 40777), (674, 37510), (682, 37070), (1210, 20894), (1348, 18755), (1364, 18535), (1685, 15004), (1705, 14828), (2420, 10447), (3370, 7502), (3410, 7414), (3707, 6820), (3751, 6740)]