61240520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12653}}^1$

素因数の和:12686

約数の個数: 48

約数和(自身を含む): 151468380

約数和(自身を除く): 90227860

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, 12653, 25306, 50612, 63265, 101224, 126530, 139183, 253060, 278366, 506120, 556732, 695915, 1113464, 1391830, 1531013, 2783660, 3062026, 5567320, 6124052, 7655065, 12248104, 15310130, 30620260, 61240520]

約数ペア:

[(1, 61240520), (2, 30620260), (4, 15310130), (5, 12248104), (8, 7655065), (10, 6124052), (11, 5567320), (20, 3062026), (22, 2783660), (40, 1531013), (44, 1391830), (55, 1113464), (88, 695915), (110, 556732), (121, 506120), (220, 278366), (242, 253060), (440, 139183), (484, 126530), (605, 101224), (968, 63265), (1210, 50612), (2420, 25306), (4840, 12653)]