25436620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 61401312

約数和(自身を除く): 35964692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 457, 460, 484, 506, 605, 914, 1012, 1210, 1265, 1828, 2285, 2420, 2530, 2783, 4570, 5027, 5060, 5566, 9140, 10054, 10511, 11132, 13915, 20108, 21022, 25135, 27830, 42044, 50270, 52555, 55297, 55660, 100540, 105110, 110594, 115621, 210220, 221188, 231242, 276485, 462484, 552970, 578105, 1105940, 1156210, 1271831, 2312420, 2543662, 5087324, 6359155, 12718310, 25436620]

約数ペア:

[(1, 25436620), (2, 12718310), (4, 6359155), (5, 5087324), (10, 2543662), (11, 2312420), (20, 1271831), (22, 1156210), (23, 1105940), (44, 578105), (46, 552970), (55, 462484), (92, 276485), (110, 231242), (115, 221188), (121, 210220), (220, 115621), (230, 110594), (242, 105110), (253, 100540), (457, 55660), (460, 55297), (484, 52555), (506, 50270), (605, 42044), (914, 27830), (1012, 25135), (1210, 21022), (1265, 20108), (1828, 13915), (2285, 11132), (2420, 10511), (2530, 10054), (2783, 9140), (4570, 5566), (5027, 5060)]