31329320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6473}}^1$

素因数の和:6506

約数の個数: 48

約数和(自身を含む): 77493780

約数和(自身を除く): 46164460

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, 6473, 12946, 25892, 32365, 51784, 64730, 71203, 129460, 142406, 258920, 284812, 356015, 569624, 712030, 783233, 1424060, 1566466, 2848120, 3132932, 3916165, 6265864, 7832330, 15664660, 31329320]

約数ペア:

[(1, 31329320), (2, 15664660), (4, 7832330), (5, 6265864), (8, 3916165), (10, 3132932), (11, 2848120), (20, 1566466), (22, 1424060), (40, 783233), (44, 712030), (55, 569624), (88, 356015), (110, 284812), (121, 258920), (220, 142406), (242, 129460), (440, 71203), (484, 64730), (605, 51784), (968, 32365), (1210, 25892), (2420, 12946), (4840, 6473)]