8821240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2657}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 20094480

約数和(自身を除く): 11273240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2657, 3320, 5314, 10628, 13285, 21256, 26570, 53140, 106280, 220531, 441062, 882124, 1102655, 1764248, 2205310, 4410620, 8821240]

約数ペア:

[(1, 8821240), (2, 4410620), (4, 2205310), (5, 1764248), (8, 1102655), (10, 882124), (20, 441062), (40, 220531), (83, 106280), (166, 53140), (332, 26570), (415, 21256), (664, 13285), (830, 10628), (1660, 5314), (2657, 3320)]