201385840

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{14551}}^1$

素因数の和:14737

約数の個数: 40

約数和(自身を含む): 470960928

約数和(自身を除く): 269575088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 6920, 13840, 14551, 29102, 58204, 72755, 116408, 145510, 232816, 291020, 582040, 1164080, 2517323, 5034646, 10069292, 12586615, 20138584, 25173230, 40277168, 50346460, 100692920, 201385840]

約数ペア:

[(1, 201385840), (2, 100692920), (4, 50346460), (5, 40277168), (8, 25173230), (10, 20138584), (16, 12586615), (20, 10069292), (40, 5034646), (80, 2517323), (173, 1164080), (346, 582040), (692, 291020), (865, 232816), (1384, 145510), (1730, 116408), (2768, 72755), (3460, 58204), (6920, 29102), (13840, 14551)]