7312972720

素因数分解:

$2^4\times 5^1\times {\mathrm{91412159}}^1$

素因数の和:91412172

約数の個数: 20

約数和(自身を含む): 17002661760

約数和(自身を除く): 9689689040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 91412159, 182824318, 365648636, 457060795, 731297272, 914121590, 1462594544, 1828243180, 3656486360, 7312972720]

約数ペア:

[(1, 7312972720), (2, 3656486360), (4, 1828243180), (5, 1462594544), (8, 914121590), (10, 731297272), (16, 457060795), (20, 365648636), (40, 182824318), (80, 91412159)]