168687560

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2621}}^1$

素因数の和:4241

約数の個数: 32

約数和(自身を含む): 379927800

約数和(自身を除く): 211240240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 2621, 3218, 5242, 6436, 8045, 10484, 12872, 13105, 16090, 20968, 26210, 32180, 52420, 64360, 104840, 4217189, 8434378, 16868756, 21085945, 33737512, 42171890, 84343780, 168687560]

約数ペア:

[(1, 168687560), (2, 84343780), (4, 42171890), (5, 33737512), (8, 21085945), (10, 16868756), (20, 8434378), (40, 4217189), (1609, 104840), (2621, 64360), (3218, 52420), (5242, 32180), (6436, 26210), (8045, 20968), (10484, 16090), (12872, 13105)]