4087460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 9408000

約数和(自身を除く): 5320540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 199, 260, 316, 395, 398, 790, 796, 995, 1027, 1580, 1990, 2054, 2587, 3980, 4108, 5135, 5174, 10270, 10348, 12935, 15721, 20540, 25870, 31442, 51740, 62884, 78605, 157210, 204373, 314420, 408746, 817492, 1021865, 2043730, 4087460]

約数ペア:

[(1, 4087460), (2, 2043730), (4, 1021865), (5, 817492), (10, 408746), (13, 314420), (20, 204373), (26, 157210), (52, 78605), (65, 62884), (79, 51740), (130, 31442), (158, 25870), (199, 20540), (260, 15721), (316, 12935), (395, 10348), (398, 10270), (790, 5174), (796, 5135), (995, 4108), (1027, 3980), (1580, 2587), (1990, 2054)]