220186480

素因数分解:

$2^4\times 5^1\times {\mathrm{2752331}}^1$

素因数の和:2752344

約数の個数: 20

約数和(自身を含む): 511933752

約数和(自身を除く): 291747272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2752331, 5504662, 11009324, 13761655, 22018648, 27523310, 44037296, 55046620, 110093240, 220186480]

約数ペア:

[(1, 220186480), (2, 110093240), (4, 55046620), (5, 44037296), (8, 27523310), (10, 22018648), (16, 13761655), (20, 11009324), (40, 5504662), (80, 2752331)]