4158020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 9253440

約数和(自身を除く): 5095420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 107, 116, 134, 145, 214, 268, 290, 335, 428, 535, 580, 670, 1070, 1340, 1943, 2140, 3103, 3886, 6206, 7169, 7772, 9715, 12412, 14338, 15515, 19430, 28676, 31030, 35845, 38860, 62060, 71690, 143380, 207901, 415802, 831604, 1039505, 2079010, 4158020]

約数ペア:

[(1, 4158020), (2, 2079010), (4, 1039505), (5, 831604), (10, 415802), (20, 207901), (29, 143380), (58, 71690), (67, 62060), (107, 38860), (116, 35845), (134, 31030), (145, 28676), (214, 19430), (268, 15515), (290, 14338), (335, 12412), (428, 9715), (535, 7772), (580, 7169), (670, 6206), (1070, 3886), (1340, 3103), (1943, 2140)]