31222840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6451}}^1$

素因数の和:6484

約数の個数: 48

約数和(自身を含む): 77230440

約数和(自身を除く): 46007600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 6451, 12902, 25804, 32255, 51608, 64510, 70961, 129020, 141922, 258040, 283844, 354805, 567688, 709610, 780571, 1419220, 1561142, 2838440, 3122284, 3902855, 6244568, 7805710, 15611420, 31222840]

約数ペア:

[(1, 31222840), (2, 15611420), (4, 7805710), (5, 6244568), (8, 3902855), (10, 3122284), (11, 2838440), (20, 1561142), (22, 1419220), (40, 780571), (44, 709610), (55, 567688), (88, 354805), (110, 283844), (121, 258040), (220, 141922), (242, 129020), (440, 70961), (484, 64510), (605, 51608), (968, 32255), (1210, 25804), (2420, 12902), (4840, 6451)]