8263540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 18144000

約数和(自身を除く): 9880460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 149, 188, 235, 236, 295, 298, 470, 590, 596, 745, 940, 1180, 1490, 2773, 2980, 5546, 7003, 8791, 11092, 13865, 14006, 17582, 27730, 28012, 35015, 35164, 43955, 55460, 70030, 87910, 140060, 175820, 413177, 826354, 1652708, 2065885, 4131770, 8263540]

約数ペア:

[(1, 8263540), (2, 4131770), (4, 2065885), (5, 1652708), (10, 826354), (20, 413177), (47, 175820), (59, 140060), (94, 87910), (118, 70030), (149, 55460), (188, 43955), (235, 35164), (236, 35015), (295, 28012), (298, 27730), (470, 17582), (590, 14006), (596, 13865), (745, 11092), (940, 8791), (1180, 7003), (1490, 5546), (2773, 2980)]