10100020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3797}}^1$

素因数の和:3832

約数の個数: 48

約数和(自身を含む): 25522560

約数和(自身を除く): 15422540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 3797, 7594, 15188, 18985, 26579, 37970, 53158, 72143, 75940, 106316, 132895, 144286, 265790, 288572, 360715, 505001, 531580, 721430, 1010002, 1442860, 2020004, 2525005, 5050010, 10100020]

約数ペア:

[(1, 10100020), (2, 5050010), (4, 2525005), (5, 2020004), (7, 1442860), (10, 1010002), (14, 721430), (19, 531580), (20, 505001), (28, 360715), (35, 288572), (38, 265790), (70, 144286), (76, 132895), (95, 106316), (133, 75940), (140, 72143), (190, 53158), (266, 37970), (380, 26579), (532, 18985), (665, 15188), (1330, 7594), (2660, 3797)]