7638020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1013}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 17886960

約数和(自身を除く): 10248940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1013, 1508, 1885, 2026, 3770, 4052, 5065, 7540, 10130, 13169, 20260, 26338, 29377, 52676, 58754, 65845, 117508, 131690, 146885, 263380, 293770, 381901, 587540, 763802, 1527604, 1909505, 3819010, 7638020]

約数ペア:

[(1, 7638020), (2, 3819010), (4, 1909505), (5, 1527604), (10, 763802), (13, 587540), (20, 381901), (26, 293770), (29, 263380), (52, 146885), (58, 131690), (65, 117508), (116, 65845), (130, 58754), (145, 52676), (260, 29377), (290, 26338), (377, 20260), (580, 13169), (754, 10130), (1013, 7540), (1508, 5065), (1885, 4052), (2026, 3770)]