200638520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{49663}}^1$

素因数の和:49775

約数の個数: 32

約数和(自身を含む): 455915520

約数和(自身を除く): 255277000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 49663, 99326, 198652, 248315, 397304, 496630, 993260, 1986520, 5015963, 10031926, 20063852, 25079815, 40127704, 50159630, 100319260, 200638520]

約数ペア:

[(1, 200638520), (2, 100319260), (4, 50159630), (5, 40127704), (8, 25079815), (10, 20063852), (20, 10031926), (40, 5015963), (101, 1986520), (202, 993260), (404, 496630), (505, 397304), (808, 248315), (1010, 198652), (2020, 99326), (4040, 49663)]