72892720

素因数分解:

$2^4\times 5^1\times {\mathrm{911159}}^1$

素因数の和:911172

約数の個数: 20

約数和(自身を含む): 169475760

約数和(自身を除く): 96583040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911159, 1822318, 3644636, 4555795, 7289272, 9111590, 14578544, 18223180, 36446360, 72892720]

約数ペア:

[(1, 72892720), (2, 36446360), (4, 18223180), (5, 14578544), (8, 9111590), (10, 7289272), (16, 4555795), (20, 3644636), (40, 1822318), (80, 911159)]