128027.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{773}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 8842176

約数和(自身を除く): 4652516

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 773, 1084, 1355, 1546, 2710, 3092, 3865, 5420, 7730, 15460, 209483, 418966, 837932, 1047415, 2094830, 4189660]

約数ペア:

[(1, 4189660), (2, 2094830), (4, 1047415), (5, 837932), (10, 418966), (20, 209483), (271, 15460), (542, 7730), (773, 5420), (1084, 3865), (1355, 3092), (1546, 2710)]