800702920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{253387}}^1$

素因数の和:253477

約数の個数: 32

約数和(自身を含む): 1824393600

約数和(自身を除く): 1023690680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 253387, 506774, 1013548, 1266935, 2027096, 2533870, 5067740, 10135480, 20017573, 40035146, 80070292, 100087865, 160140584, 200175730, 400351460, 800702920]

約数ペア:

[(1, 800702920), (2, 400351460), (4, 200175730), (5, 160140584), (8, 100087865), (10, 80070292), (20, 40035146), (40, 20017573), (79, 10135480), (158, 5067740), (316, 2533870), (395, 2027096), (632, 1266935), (790, 1013548), (1580, 506774), (3160, 253387)]