8063860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 19514880

約数和(自身を除く): 11451020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 241, 478, 482, 956, 964, 1195, 1205, 1673, 1687, 2390, 2410, 3346, 3374, 4780, 4820, 6692, 6748, 8365, 8435, 16730, 16870, 33460, 33740, 57599, 115198, 230396, 287995, 403193, 575990, 806386, 1151980, 1612772, 2015965, 4031930, 8063860]

約数ペア:

[(1, 8063860), (2, 4031930), (4, 2015965), (5, 1612772), (7, 1151980), (10, 806386), (14, 575990), (20, 403193), (28, 287995), (35, 230396), (70, 115198), (140, 57599), (239, 33740), (241, 33460), (478, 16870), (482, 16730), (956, 8435), (964, 8365), (1195, 6748), (1205, 6692), (1673, 4820), (1687, 4780), (2390, 3374), (2410, 3346)]