8889374920

素因数分解:

$2^3\times 5^1\times {\mathrm{7681}}^1\times {\mathrm{28933}}^1$

素因数の和:36625

約数の個数: 32

約数和(自身を含む): 20004388920

約数和(自身を除く): 11115014000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7681, 15362, 28933, 30724, 38405, 57866, 61448, 76810, 115732, 144665, 153620, 231464, 289330, 307240, 578660, 1157320, 222234373, 444468746, 888937492, 1111171865, 1777874984, 2222343730, 4444687460, 8889374920]

約数ペア:

[(1, 8889374920), (2, 4444687460), (4, 2222343730), (5, 1777874984), (8, 1111171865), (10, 888937492), (20, 444468746), (40, 222234373), (7681, 1157320), (15362, 578660), (28933, 307240), (30724, 289330), (38405, 231464), (57866, 153620), (61448, 144665), (76810, 115732)]