25207160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 62985600

約数和(自身を除く): 37778440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 971, 1180, 1298, 1942, 2360, 2596, 3245, 3884, 4855, 5192, 6490, 7768, 9710, 10681, 12980, 19420, 21362, 25960, 38840, 42724, 53405, 57289, 85448, 106810, 114578, 213620, 229156, 286445, 427240, 458312, 572890, 630179, 1145780, 1260358, 2291560, 2520716, 3150895, 5041432, 6301790, 12603580, 25207160]

約数ペア:

[(1, 25207160), (2, 12603580), (4, 6301790), (5, 5041432), (8, 3150895), (10, 2520716), (11, 2291560), (20, 1260358), (22, 1145780), (40, 630179), (44, 572890), (55, 458312), (59, 427240), (88, 286445), (110, 229156), (118, 213620), (220, 114578), (236, 106810), (295, 85448), (440, 57289), (472, 53405), (590, 42724), (649, 38840), (971, 25960), (1180, 21362), (1298, 19420), (1942, 12980), (2360, 10681), (2596, 9710), (3245, 7768), (3884, 6490), (4855, 5192)]