64108520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{228959}}^1$

素因数の和:228977

約数の個数: 32

約数和(自身を含む): 164851200

約数和(自身を除く): 100742680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 228959, 457918, 915836, 1144795, 1602713, 1831672, 2289590, 3205426, 4579180, 6410852, 8013565, 9158360, 12821704, 16027130, 32054260, 64108520]

約数ペア:

[(1, 64108520), (2, 32054260), (4, 16027130), (5, 12821704), (7, 9158360), (8, 8013565), (10, 6410852), (14, 4579180), (20, 3205426), (28, 2289590), (35, 1831672), (40, 1602713), (56, 1144795), (70, 915836), (140, 457918), (280, 228959)]