39145840

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{761}}^1$

素因数の和:1417

約数の個数: 40

約数和(自身を含む): 91275408

約数和(自身を除く): 52129568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 761, 1286, 1522, 2572, 3044, 3215, 3805, 5144, 6088, 6430, 7610, 10288, 12176, 12860, 15220, 25720, 30440, 51440, 60880, 489323, 978646, 1957292, 2446615, 3914584, 4893230, 7829168, 9786460, 19572920, 39145840]

約数ペア:

[(1, 39145840), (2, 19572920), (4, 9786460), (5, 7829168), (8, 4893230), (10, 3914584), (16, 2446615), (20, 1957292), (40, 978646), (80, 489323), (643, 60880), (761, 51440), (1286, 30440), (1522, 25720), (2572, 15220), (3044, 12860), (3215, 12176), (3805, 10288), (5144, 7610), (6088, 6430)]