55536920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6977}}^1$

素因数の和:7187

約数の個数: 32

約数和(自身を含む): 125604000

約数和(自身を除く): 70067080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 6977, 7960, 13954, 27908, 34885, 55816, 69770, 139540, 279080, 1388423, 2776846, 5553692, 6942115, 11107384, 13884230, 27768460, 55536920]

約数ペア:

[(1, 55536920), (2, 27768460), (4, 13884230), (5, 11107384), (8, 6942115), (10, 5553692), (20, 2776846), (40, 1388423), (199, 279080), (398, 139540), (796, 69770), (995, 55816), (1592, 34885), (1990, 27908), (3980, 13954), (6977, 7960)]