2013785125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1807

約数の個数: 64

約数和(自身を含む): 2939908608

約数和(自身を除く): 926123483

約数列:

[1, 5, 11, 23, 25, 37, 55, 115, 125, 185, 253, 275, 407, 575, 851, 925, 1265, 1375, 1721, 2035, 2875, 4255, 4625, 6325, 8605, 9361, 10175, 18931, 21275, 31625, 39583, 43025, 46805, 50875, 63677, 94655, 106375, 197915, 215125, 234025, 318385, 435413, 473275, 700447, 989575, 1170125, 1464571, 1591925, 2177065, 2366375, 3502235, 4947875, 7322855, 7959625, 10885325, 16110281, 17511175, 36614275, 54426625, 80551405, 87555875, 183071375, 402757025, 2013785125]

約数ペア:

[(1, 2013785125), (5, 402757025), (11, 183071375), (23, 87555875), (25, 80551405), (37, 54426625), (55, 36614275), (115, 17511175), (125, 16110281), (185, 10885325), (253, 7959625), (275, 7322855), (407, 4947875), (575, 3502235), (851, 2366375), (925, 2177065), (1265, 1591925), (1375, 1464571), (1721, 1170125), (2035, 989575), (2875, 700447), (4255, 473275), (4625, 435413), (6325, 318385), (8605, 234025), (9361, 215125), (10175, 197915), (18931, 106375), (21275, 94655), (31625, 63677), (39583, 50875), (43025, 46805)]