13988120

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2347}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 31698000

約数和(自身を除く): 17709880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2347, 2980, 4694, 5960, 9388, 11735, 18776, 23470, 46940, 93880, 349703, 699406, 1398812, 1748515, 2797624, 3497030, 6994060, 13988120]

約数ペア:

[(1, 13988120), (2, 6994060), (4, 3497030), (5, 2797624), (8, 1748515), (10, 1398812), (20, 699406), (40, 349703), (149, 93880), (298, 46940), (596, 23470), (745, 18776), (1192, 11735), (1490, 9388), (2347, 5960), (2980, 4694)]