127530880

素因数分解:

$2^7\times 5^1\times {\mathrm{199267}}^1$

素因数の和:199286

約数の個数: 32

約数和(自身を含む): 304880040

約数和(自身を除く): 177349160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 199267, 398534, 797068, 996335, 1594136, 1992670, 3188272, 3985340, 6376544, 7970680, 12753088, 15941360, 25506176, 31882720, 63765440, 127530880]

約数ペア:

[(1, 127530880), (2, 63765440), (4, 31882720), (5, 25506176), (8, 15941360), (10, 12753088), (16, 7970680), (20, 6376544), (32, 3985340), (40, 3188272), (64, 1992670), (80, 1594136), (128, 996335), (160, 797068), (320, 398534), (640, 199267)]