131046920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105683}}^1$

素因数の和:105725

約数の個数: 32

約数和(自身を含む): 304369920

約数和(自身を除く): 173323000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 105683, 211366, 422732, 528415, 845464, 1056830, 2113660, 3276173, 4227320, 6552346, 13104692, 16380865, 26209384, 32761730, 65523460, 131046920]

約数ペア:

[(1, 131046920), (2, 65523460), (4, 32761730), (5, 26209384), (8, 16380865), (10, 13104692), (20, 6552346), (31, 4227320), (40, 3276173), (62, 2113660), (124, 1056830), (155, 845464), (248, 528415), (310, 422732), (620, 211366), (1240, 105683)]