61357780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2129}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 141704640

約数和(自身を除く): 80346860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2129, 2620, 2882, 4258, 5764, 7205, 8516, 10645, 14410, 21290, 23419, 28820, 42580, 46838, 93676, 117095, 234190, 278899, 468380, 557798, 1115596, 1394495, 2788990, 3067889, 5577980, 6135778, 12271556, 15339445, 30678890, 61357780]

約数ペア:

[(1, 61357780), (2, 30678890), (4, 15339445), (5, 12271556), (10, 6135778), (11, 5577980), (20, 3067889), (22, 2788990), (44, 1394495), (55, 1115596), (110, 557798), (131, 468380), (220, 278899), (262, 234190), (524, 117095), (655, 93676), (1310, 46838), (1441, 42580), (2129, 28820), (2620, 23419), (2882, 21290), (4258, 14410), (5764, 10645), (7205, 8516)]