8027140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 19305216

約数和(自身を除く): 11278076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 107, 110, 121, 124, 155, 214, 220, 242, 310, 341, 428, 484, 535, 605, 620, 682, 1070, 1177, 1210, 1364, 1705, 2140, 2354, 2420, 3317, 3410, 3751, 4708, 5885, 6634, 6820, 7502, 11770, 12947, 13268, 15004, 16585, 18755, 23540, 25894, 33170, 36487, 37510, 51788, 64735, 66340, 72974, 75020, 129470, 145948, 182435, 258940, 364870, 401357, 729740, 802714, 1605428, 2006785, 4013570, 8027140]

約数ペア:

[(1, 8027140), (2, 4013570), (4, 2006785), (5, 1605428), (10, 802714), (11, 729740), (20, 401357), (22, 364870), (31, 258940), (44, 182435), (55, 145948), (62, 129470), (107, 75020), (110, 72974), (121, 66340), (124, 64735), (155, 51788), (214, 37510), (220, 36487), (242, 33170), (310, 25894), (341, 23540), (428, 18755), (484, 16585), (535, 15004), (605, 13268), (620, 12947), (682, 11770), (1070, 7502), (1177, 6820), (1210, 6634), (1364, 5885), (1705, 4708), (2140, 3751), (2354, 3410), (2420, 3317)]