28570100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21977}}^1$

素因数の和:22004

約数の個数: 36

約数和(自身を含む): 66769164

約数和(自身を除く): 38199064

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21977, 43954, 87908, 109885, 219770, 285701, 439540, 549425, 571402, 1098850, 1142804, 1428505, 2197700, 2857010, 5714020, 7142525, 14285050, 28570100]

約数ペア:

[(1, 28570100), (2, 14285050), (4, 7142525), (5, 5714020), (10, 2857010), (13, 2197700), (20, 1428505), (25, 1142804), (26, 1098850), (50, 571402), (52, 549425), (65, 439540), (100, 285701), (130, 219770), (260, 109885), (325, 87908), (650, 43954), (1300, 21977)]