85676720

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4481}}^1$

素因数の和:4733

約数の個数: 40

約数和(自身を含む): 200076480

約数和(自身を除く): 114399760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4481, 4780, 8962, 9560, 17924, 19120, 22405, 35848, 44810, 71696, 89620, 179240, 358480, 1070959, 2141918, 4283836, 5354795, 8567672, 10709590, 17135344, 21419180, 42838360, 85676720]

約数ペア:

[(1, 85676720), (2, 42838360), (4, 21419180), (5, 17135344), (8, 10709590), (10, 8567672), (16, 5354795), (20, 4283836), (40, 2141918), (80, 1070959), (239, 358480), (478, 179240), (956, 89620), (1195, 71696), (1912, 44810), (2390, 35848), (3824, 22405), (4481, 19120), (4780, 17924), (8962, 9560)]