88805740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 191419200

約数和(自身を除く): 102613460

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 199, 212, 265, 398, 421, 530, 796, 842, 995, 1060, 1684, 1990, 2105, 3980, 4210, 8420, 10547, 21094, 22313, 42188, 44626, 52735, 83779, 89252, 105470, 111565, 167558, 210940, 223130, 335116, 418895, 446260, 837790, 1675580, 4440287, 8880574, 17761148, 22201435, 44402870, 88805740]

約数ペア:

[(1, 88805740), (2, 44402870), (4, 22201435), (5, 17761148), (10, 8880574), (20, 4440287), (53, 1675580), (106, 837790), (199, 446260), (212, 418895), (265, 335116), (398, 223130), (421, 210940), (530, 167558), (796, 111565), (842, 105470), (995, 89252), (1060, 83779), (1684, 52735), (1990, 44626), (2105, 42188), (3980, 22313), (4210, 21094), (8420, 10547)]