28396070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1451}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 54362880

約数和(自身を除く): 25966810

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1451, 1957, 2902, 3914, 7255, 9785, 14510, 19570, 27569, 55138, 137845, 149453, 275690, 298906, 747265, 1494530, 2839607, 5679214, 14198035, 28396070]

約数ペア:

[(1, 28396070), (2, 14198035), (5, 5679214), (10, 2839607), (19, 1494530), (38, 747265), (95, 298906), (103, 275690), (190, 149453), (206, 137845), (515, 55138), (1030, 27569), (1451, 19570), (1957, 14510), (2902, 9785), (3914, 7255)]