207748040

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{26099}}^1$

素因数の和:26309

約数の個数: 32

約数和(自身を含む): 469800000

約数和(自身を除く): 262051960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 26099, 52198, 104396, 130495, 208792, 260990, 521980, 1043960, 5193701, 10387402, 20774804, 25968505, 41549608, 51937010, 103874020, 207748040]

約数ペア:

[(1, 207748040), (2, 103874020), (4, 51937010), (5, 41549608), (8, 25968505), (10, 20774804), (20, 10387402), (40, 5193701), (199, 1043960), (398, 521980), (796, 260990), (995, 208792), (1592, 130495), (1990, 104396), (3980, 52198), (7960, 26099)]