48867880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17207}}^1$

素因数の和:17289

約数の個数: 32

約数和(自身を含む): 111507840

約数和(自身を除く): 62639960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 17207, 34414, 68828, 86035, 137656, 172070, 344140, 688280, 1221697, 2443394, 4886788, 6108485, 9773576, 12216970, 24433940, 48867880]

約数ペア:

[(1, 48867880), (2, 24433940), (4, 12216970), (5, 9773576), (8, 6108485), (10, 4886788), (20, 2443394), (40, 1221697), (71, 688280), (142, 344140), (284, 172070), (355, 137656), (568, 86035), (710, 68828), (1420, 34414), (2840, 17207)]