1325680

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 3138192

約数和(自身を除く): 1812512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 227, 292, 365, 454, 584, 730, 908, 1135, 1168, 1460, 1816, 2270, 2920, 3632, 4540, 5840, 9080, 16571, 18160, 33142, 66284, 82855, 132568, 165710, 265136, 331420, 662840, 1325680]

約数ペア:

[(1, 1325680), (2, 662840), (4, 331420), (5, 265136), (8, 165710), (10, 132568), (16, 82855), (20, 66284), (40, 33142), (73, 18160), (80, 16571), (146, 9080), (227, 5840), (292, 4540), (365, 3632), (454, 2920), (584, 2270), (730, 1816), (908, 1460), (1135, 1168)]