13133040820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{25189}}^1$

素因数の和:25528

約数の個数: 48

約数和(自身を含む): 27930672000

約数和(自身を除く): 14797631180

約数列:

[1, 2, 4, 5, 10, 20, 131, 199, 262, 398, 524, 655, 796, 995, 1310, 1990, 2620, 3980, 25189, 26069, 50378, 52138, 100756, 104276, 125945, 130345, 251890, 260690, 503780, 521380, 3299759, 5012611, 6599518, 10025222, 13199036, 16498795, 20050444, 25063055, 32997590, 50126110, 65995180, 100252220, 656652041, 1313304082, 2626608164, 3283260205, 6566520410, 13133040820]

約数ペア:

[(1, 13133040820), (2, 6566520410), (4, 3283260205), (5, 2626608164), (10, 1313304082), (20, 656652041), (131, 100252220), (199, 65995180), (262, 50126110), (398, 32997590), (524, 25063055), (655, 20050444), (796, 16498795), (995, 13199036), (1310, 10025222), (1990, 6599518), (2620, 5012611), (3980, 3299759), (25189, 521380), (26069, 503780), (50378, 260690), (52138, 251890), (100756, 130345), (104276, 125945)]