25273420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66509}}^1$

素因数の和:66537

約数の個数: 24

約数和(自身を含む): 55868400

約数和(自身を除く): 30594980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 66509, 133018, 266036, 332545, 665090, 1263671, 1330180, 2527342, 5054684, 6318355, 12636710, 25273420]

約数ペア:

[(1, 25273420), (2, 12636710), (4, 6318355), (5, 5054684), (10, 2527342), (19, 1330180), (20, 1263671), (38, 665090), (76, 332545), (95, 266036), (190, 133018), (380, 66509)]