2015889880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1172029}}^1$

素因数の和:1172083

約数の個数: 32

約数和(自身を含む): 4641238800

約数和(自身を除く): 2625348920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1172029, 2344058, 4688116, 5860145, 9376232, 11720290, 23440580, 46881160, 50397247, 100794494, 201588988, 251986235, 403177976, 503972470, 1007944940, 2015889880]

約数ペア:

[(1, 2015889880), (2, 1007944940), (4, 503972470), (5, 403177976), (8, 251986235), (10, 201588988), (20, 100794494), (40, 50397247), (43, 46881160), (86, 23440580), (172, 11720290), (215, 9376232), (344, 5860145), (430, 4688116), (860, 2344058), (1720, 1172029)]