200721250

素因数分解:

$2^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{1559}}^1$

素因数の和:1684

約数の個数: 40

約数和(自身を含む): 380128320

約数和(自身を除く): 179407070

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 206, 250, 515, 625, 1030, 1250, 1559, 2575, 3118, 5150, 7795, 12875, 15590, 25750, 38975, 64375, 77950, 128750, 160577, 194875, 321154, 389750, 802885, 974375, 1605770, 1948750, 4014425, 8028850, 20072125, 40144250, 100360625, 200721250]

約数ペア:

[(1, 200721250), (2, 100360625), (5, 40144250), (10, 20072125), (25, 8028850), (50, 4014425), (103, 1948750), (125, 1605770), (206, 974375), (250, 802885), (515, 389750), (625, 321154), (1030, 194875), (1250, 160577), (1559, 128750), (2575, 77950), (3118, 64375), (5150, 38975), (7795, 25750), (12875, 15590)]