1641896020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1\times {\mathrm{4651}}^1$

素因数の和:5608

約数の個数: 48

約数和(自身を含む): 3634142400

約数和(自身を除く): 1992246380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 929, 1858, 3716, 4645, 4651, 9290, 9302, 17651, 18580, 18604, 23255, 35302, 46510, 70604, 88255, 88369, 93020, 176510, 176738, 353020, 353476, 441845, 883690, 1767380, 4320779, 8641558, 17283116, 21603895, 43207790, 82094801, 86415580, 164189602, 328379204, 410474005, 820948010, 1641896020]

約数ペア:

[(1, 1641896020), (2, 820948010), (4, 410474005), (5, 328379204), (10, 164189602), (19, 86415580), (20, 82094801), (38, 43207790), (76, 21603895), (95, 17283116), (190, 8641558), (380, 4320779), (929, 1767380), (1858, 883690), (3716, 441845), (4645, 353476), (4651, 353020), (9290, 176738), (9302, 176510), (17651, 93020), (18580, 88369), (18604, 88255), (23255, 70604), (35302, 46510)]