57780880

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1471}}^1$

素因数の和:1975

約数の個数: 40

約数和(自身を含む): 134705664

約数和(自身を除く): 76924784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1471, 1964, 2455, 2942, 3928, 4910, 5884, 7355, 7856, 9820, 11768, 14710, 19640, 23536, 29420, 39280, 58840, 117680, 722261, 1444522, 2889044, 3611305, 5778088, 7222610, 11556176, 14445220, 28890440, 57780880]

約数ペア:

[(1, 57780880), (2, 28890440), (4, 14445220), (5, 11556176), (8, 7222610), (10, 5778088), (16, 3611305), (20, 2889044), (40, 1444522), (80, 722261), (491, 117680), (982, 58840), (1471, 39280), (1964, 29420), (2455, 23536), (2942, 19640), (3928, 14710), (4910, 11768), (5884, 9820), (7355, 7856)]