1020469970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{15731}}^1$

素因数の和:16250

約数の個数: 32

約数和(自身を含む): 1982232000

約数和(自身を除く): 961762030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 499, 998, 2495, 4990, 6487, 12974, 15731, 31462, 32435, 64870, 78655, 157310, 204503, 409006, 1022515, 2045030, 7849769, 15699538, 39248845, 78497690, 102046997, 204093994, 510234985, 1020469970]

約数ペア:

[(1, 1020469970), (2, 510234985), (5, 204093994), (10, 102046997), (13, 78497690), (26, 39248845), (65, 15699538), (130, 7849769), (499, 2045030), (998, 1022515), (2495, 409006), (4990, 204503), (6487, 157310), (12974, 78655), (15731, 64870), (31462, 32435)]