849156920

素因数分解:

$2^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{13513}}^1$

素因数の和:15095

約数の個数: 32

約数和(自身を含む): 1911960720

約数和(自身を除く): 1062803800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1571, 3142, 6284, 7855, 12568, 13513, 15710, 27026, 31420, 54052, 62840, 67565, 108104, 135130, 270260, 540520, 21228923, 42457846, 84915692, 106144615, 169831384, 212289230, 424578460, 849156920]

約数ペア:

[(1, 849156920), (2, 424578460), (4, 212289230), (5, 169831384), (8, 106144615), (10, 84915692), (20, 42457846), (40, 21228923), (1571, 540520), (3142, 270260), (6284, 135130), (7855, 108104), (12568, 67565), (13513, 62840), (15710, 54052), (27026, 31420)]