25981970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12799}}^1$

素因数の和:12842

約数の個数: 32

約数和(自身を含む): 55296000

約数和(自身を除く): 29314030

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 12799, 25598, 63995, 89593, 127990, 179186, 371171, 447965, 742342, 895930, 1855855, 2598197, 3711710, 5196394, 12990985, 25981970]

約数ペア:

[(1, 25981970), (2, 12990985), (5, 5196394), (7, 3711710), (10, 2598197), (14, 1855855), (29, 895930), (35, 742342), (58, 447965), (70, 371171), (145, 179186), (203, 127990), (290, 89593), (406, 63995), (1015, 25598), (2030, 12799)]