12800890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 24500880

約数和(自身を除く): 11699990

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 1193, 2146, 2386, 5365, 5965, 10730, 11930, 34597, 44141, 69194, 88282, 172985, 220705, 345970, 441410, 1280089, 2560178, 6400445, 12800890]

約数ペア:

[(1, 12800890), (2, 6400445), (5, 2560178), (10, 1280089), (29, 441410), (37, 345970), (58, 220705), (74, 172985), (145, 88282), (185, 69194), (290, 44141), (370, 34597), (1073, 11930), (1193, 10730), (2146, 5965), (2386, 5365)]