1625274320

素因数分解:

$2^4\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{15761}}^1$

素因数の和:17063

約数の個数: 40

約数和(自身を含む): 3781934280

約数和(自身を除く): 2156659960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289, 2578, 5156, 6445, 10312, 12890, 15761, 20624, 25780, 31522, 51560, 63044, 78805, 103120, 126088, 157610, 252176, 315220, 630440, 1260880, 20315929, 40631858, 81263716, 101579645, 162527432, 203159290, 325054864, 406318580, 812637160, 1625274320]

約数ペア:

[(1, 1625274320), (2, 812637160), (4, 406318580), (5, 325054864), (8, 203159290), (10, 162527432), (16, 101579645), (20, 81263716), (40, 40631858), (80, 20315929), (1289, 1260880), (2578, 630440), (5156, 315220), (6445, 252176), (10312, 157610), (12890, 126088), (15761, 103120), (20624, 78805), (25780, 63044), (31522, 51560)]