22259920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4003

約数の個数: 40

約数和(自身を含む): 52496640

約数和(自身を除く): 30236720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 3919, 5680, 7838, 15676, 19595, 31352, 39190, 62704, 78380, 156760, 278249, 313520, 556498, 1112996, 1391245, 2225992, 2782490, 4451984, 5564980, 11129960, 22259920]

約数ペア:

[(1, 22259920), (2, 11129960), (4, 5564980), (5, 4451984), (8, 2782490), (10, 2225992), (16, 1391245), (20, 1112996), (40, 556498), (71, 313520), (80, 278249), (142, 156760), (284, 78380), (355, 62704), (568, 39190), (710, 31352), (1136, 19595), (1420, 15676), (2840, 7838), (3919, 5680)]