61530920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12713}}^1$

素因数の和:12746

約数の個数: 48

約数和(自身を含む): 152186580

約数和(自身を除く): 90655660

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, 12713, 25426, 50852, 63565, 101704, 127130, 139843, 254260, 279686, 508520, 559372, 699215, 1118744, 1398430, 1538273, 2796860, 3076546, 5593720, 6153092, 7691365, 12306184, 15382730, 30765460, 61530920]

約数ペア:

[(1, 61530920), (2, 30765460), (4, 15382730), (5, 12306184), (8, 7691365), (10, 6153092), (11, 5593720), (20, 3076546), (22, 2796860), (40, 1538273), (44, 1398430), (55, 1118744), (88, 699215), (110, 559372), (121, 508520), (220, 279686), (242, 254260), (440, 139843), (484, 127130), (605, 101704), (968, 63565), (1210, 50852), (2420, 25426), (4840, 12713)]