25007576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 28906024

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 89, 103, 124, 178, 206, 248, 341, 356, 412, 682, 712, 824, 979, 1133, 1364, 1958, 2266, 2728, 2759, 3193, 3916, 4532, 5518, 6386, 7832, 9064, 9167, 11036, 12772, 18334, 22072, 25544, 30349, 35123, 36668, 60698, 70246, 73336, 100837, 121396, 140492, 201674, 242792, 280984, 284177, 403348, 568354, 806696, 1136708, 2273416, 3125947, 6251894, 12503788, 25007576]

約数ペア:

[(1, 25007576), (2, 12503788), (4, 6251894), (8, 3125947), (11, 2273416), (22, 1136708), (31, 806696), (44, 568354), (62, 403348), (88, 284177), (89, 280984), (103, 242792), (124, 201674), (178, 140492), (206, 121396), (248, 100837), (341, 73336), (356, 70246), (412, 60698), (682, 36668), (712, 35123), (824, 30349), (979, 25544), (1133, 22072), (1364, 18334), (1958, 12772), (2266, 11036), (2728, 9167), (2759, 9064), (3193, 7832), (3916, 6386), (4532, 5518)]