87349720

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{9137}}^1$

素因数の和:9387

約数の個数: 32

約数和(自身を含む): 197380800

約数和(自身を除く): 110031080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9137, 9560, 18274, 36548, 45685, 73096, 91370, 182740, 365480, 2183743, 4367486, 8734972, 10918715, 17469944, 21837430, 43674860, 87349720]

約数ペア:

[(1, 87349720), (2, 43674860), (4, 21837430), (5, 17469944), (8, 10918715), (10, 8734972), (20, 4367486), (40, 2183743), (239, 365480), (478, 182740), (956, 91370), (1195, 73096), (1912, 45685), (2390, 36548), (4780, 18274), (9137, 9560)]