65633840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8123}}^1$

素因数の和:8237

約数の個数: 40

約数和(自身を含む): 154128528

約数和(自身を除く): 88494688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 8123, 16246, 32492, 40615, 64984, 81230, 129968, 162460, 324920, 649840, 820423, 1640846, 3281692, 4102115, 6563384, 8204230, 13126768, 16408460, 32816920, 65633840]

約数ペア:

[(1, 65633840), (2, 32816920), (4, 16408460), (5, 13126768), (8, 8204230), (10, 6563384), (16, 4102115), (20, 3281692), (40, 1640846), (80, 820423), (101, 649840), (202, 324920), (404, 162460), (505, 129968), (808, 81230), (1010, 64984), (1616, 40615), (2020, 32492), (4040, 16246), (8080, 8123)]