87888440

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{3217}}^1$

素因数の和:3911

約数の個数: 32

約数和(自身を含む): 198100080

約数和(自身を除く): 110211640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3217, 3415, 5464, 6434, 6830, 12868, 13660, 16085, 25736, 27320, 32170, 64340, 128680, 2197211, 4394422, 8788844, 10986055, 17577688, 21972110, 43944220, 87888440]

約数ペア:

[(1, 87888440), (2, 43944220), (4, 21972110), (5, 17577688), (8, 10986055), (10, 8788844), (20, 4394422), (40, 2197211), (683, 128680), (1366, 64340), (2732, 32170), (3217, 27320), (3415, 25736), (5464, 16085), (6434, 13660), (6830, 12868)]