23515580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1201}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 54522720

約数和(自身を除く): 31007140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1201, 1780, 1958, 2402, 3916, 4804, 4895, 6005, 9790, 12010, 13211, 19580, 24020, 26422, 52844, 66055, 106889, 132110, 213778, 264220, 427556, 534445, 1068890, 1175779, 2137780, 2351558, 4703116, 5878895, 11757790, 23515580]

約数ペア:

[(1, 23515580), (2, 11757790), (4, 5878895), (5, 4703116), (10, 2351558), (11, 2137780), (20, 1175779), (22, 1068890), (44, 534445), (55, 427556), (89, 264220), (110, 213778), (178, 132110), (220, 106889), (356, 66055), (445, 52844), (890, 26422), (979, 24020), (1201, 19580), (1780, 13211), (1958, 12010), (2402, 9790), (3916, 6005), (4804, 4895)]