53081380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2711}}^1$

素因数の和:2820

約数の個数: 48

約数和(自身を含む): 123016320

約数和(自身を除く): 69934940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2711, 3916, 4895, 5422, 9790, 10844, 13555, 19580, 27110, 29821, 54220, 59642, 119284, 149105, 241279, 298210, 482558, 596420, 965116, 1206395, 2412790, 2654069, 4825580, 5308138, 10616276, 13270345, 26540690, 53081380]

約数ペア:

[(1, 53081380), (2, 26540690), (4, 13270345), (5, 10616276), (10, 5308138), (11, 4825580), (20, 2654069), (22, 2412790), (44, 1206395), (55, 965116), (89, 596420), (110, 482558), (178, 298210), (220, 241279), (356, 149105), (445, 119284), (890, 59642), (979, 54220), (1780, 29821), (1958, 27110), (2711, 19580), (3916, 13555), (4895, 10844), (5422, 9790)]