90266840

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{13513}}^1$

素因数の和:13691

約数の個数: 32

約数和(自身を含む): 204331680

約数和(自身を除く): 114064840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 13513, 27026, 54052, 67565, 108104, 135130, 270260, 540520, 2256671, 4513342, 9026684, 11283355, 18053368, 22566710, 45133420, 90266840]

約数ペア:

[(1, 90266840), (2, 45133420), (4, 22566710), (5, 18053368), (8, 11283355), (10, 9026684), (20, 4513342), (40, 2256671), (167, 540520), (334, 270260), (668, 135130), (835, 108104), (1336, 67565), (1670, 54052), (3340, 27026), (6680, 13513)]