2228980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8573}}^1$

素因数の和:8595

約数の個数: 24

約数和(自身を含む): 5041512

約数和(自身を除く): 2812532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8573, 17146, 34292, 42865, 85730, 111449, 171460, 222898, 445796, 557245, 1114490, 2228980]

約数ペア:

[(1, 2228980), (2, 1114490), (4, 557245), (5, 445796), (10, 222898), (13, 171460), (20, 111449), (26, 85730), (52, 42865), (65, 34292), (130, 17146), (260, 8573)]