54952720

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1399}}^1$

素因数の和:1903

約数の個数: 40

約数和(自身を含む): 128116800

約数和(自身を除く): 73164080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1399, 1964, 2455, 2798, 3928, 4910, 5596, 6995, 7856, 9820, 11192, 13990, 19640, 22384, 27980, 39280, 55960, 111920, 686909, 1373818, 2747636, 3434545, 5495272, 6869090, 10990544, 13738180, 27476360, 54952720]

約数ペア:

[(1, 54952720), (2, 27476360), (4, 13738180), (5, 10990544), (8, 6869090), (10, 5495272), (16, 3434545), (20, 2747636), (40, 1373818), (80, 686909), (491, 111920), (982, 55960), (1399, 39280), (1964, 27980), (2455, 22384), (2798, 19640), (3928, 13990), (4910, 11192), (5596, 9820), (6995, 7856)]