25832780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 57600480

約数和(自身を除く): 31767700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 433, 628, 785, 866, 1570, 1732, 2165, 2983, 3140, 4330, 5966, 8227, 8660, 11932, 14915, 16454, 29830, 32908, 41135, 59660, 67981, 82270, 135962, 164540, 271924, 339905, 679810, 1291639, 1359620, 2583278, 5166556, 6458195, 12916390, 25832780]

約数ペア:

[(1, 25832780), (2, 12916390), (4, 6458195), (5, 5166556), (10, 2583278), (19, 1359620), (20, 1291639), (38, 679810), (76, 339905), (95, 271924), (157, 164540), (190, 135962), (314, 82270), (380, 67981), (433, 59660), (628, 41135), (785, 32908), (866, 29830), (1570, 16454), (1732, 14915), (2165, 11932), (2983, 8660), (3140, 8227), (4330, 5966)]