90326960

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6761}}^1$

素因数の和:6941

約数の個数: 40

約数和(自身を含む): 211298976

約数和(自身を除く): 120972016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6680, 6761, 13360, 13522, 27044, 33805, 54088, 67610, 108176, 135220, 270440, 540880, 1129087, 2258174, 4516348, 5645435, 9032696, 11290870, 18065392, 22581740, 45163480, 90326960]

約数ペア:

[(1, 90326960), (2, 45163480), (4, 22581740), (5, 18065392), (8, 11290870), (10, 9032696), (16, 5645435), (20, 4516348), (40, 2258174), (80, 1129087), (167, 540880), (334, 270440), (668, 135220), (835, 108176), (1336, 67610), (1670, 54088), (2672, 33805), (3340, 27044), (6680, 13522), (6761, 13360)]