12528340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 30030336

約数和(自身を除く): 17501996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 167, 220, 242, 310, 334, 341, 484, 605, 620, 668, 682, 835, 1210, 1364, 1670, 1705, 1837, 2420, 3340, 3410, 3674, 3751, 5177, 6820, 7348, 7502, 9185, 10354, 15004, 18370, 18755, 20207, 20708, 25885, 36740, 37510, 40414, 51770, 56947, 75020, 80828, 101035, 103540, 113894, 202070, 227788, 284735, 404140, 569470, 626417, 1138940, 1252834, 2505668, 3132085, 6264170, 12528340]

約数ペア:

[(1, 12528340), (2, 6264170), (4, 3132085), (5, 2505668), (10, 1252834), (11, 1138940), (20, 626417), (22, 569470), (31, 404140), (44, 284735), (55, 227788), (62, 202070), (110, 113894), (121, 103540), (124, 101035), (155, 80828), (167, 75020), (220, 56947), (242, 51770), (310, 40414), (334, 37510), (341, 36740), (484, 25885), (605, 20708), (620, 20207), (668, 18755), (682, 18370), (835, 15004), (1210, 10354), (1364, 9185), (1670, 7502), (1705, 7348), (1837, 6820), (2420, 5177), (3340, 3751), (3410, 3674)]