25222720

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 84

約数和(自身を含む): 63207900

約数和(自身を除く): 37985180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 149, 160, 184, 230, 298, 320, 368, 460, 529, 596, 736, 745, 920, 1058, 1192, 1472, 1490, 1840, 2116, 2384, 2645, 2980, 3427, 3680, 4232, 4768, 5290, 5960, 6854, 7360, 8464, 9536, 10580, 11920, 13708, 16928, 17135, 21160, 23840, 27416, 33856, 34270, 42320, 47680, 54832, 68540, 78821, 84640, 109664, 137080, 157642, 169280, 219328, 274160, 315284, 394105, 548320, 630568, 788210, 1096640, 1261136, 1576420, 2522272, 3152840, 5044544, 6305680, 12611360, 25222720]

約数ペア:

[(1, 25222720), (2, 12611360), (4, 6305680), (5, 5044544), (8, 3152840), (10, 2522272), (16, 1576420), (20, 1261136), (23, 1096640), (32, 788210), (40, 630568), (46, 548320), (64, 394105), (80, 315284), (92, 274160), (115, 219328), (149, 169280), (160, 157642), (184, 137080), (230, 109664), (298, 84640), (320, 78821), (368, 68540), (460, 54832), (529, 47680), (596, 42320), (736, 34270), (745, 33856), (920, 27416), (1058, 23840), (1192, 21160), (1472, 17135), (1490, 16928), (1840, 13708), (2116, 11920), (2384, 10580), (2645, 9536), (2980, 8464), (3427, 7360), (3680, 6854), (4232, 5960), (4768, 5290)]