650492050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{13709}}^1$

素因数の和:13807

約数の個数: 48

約数和(自身を含む): 1320931080

約数和(自身を除く): 670439030

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 130, 146, 325, 365, 650, 730, 949, 1825, 1898, 3650, 4745, 9490, 13709, 23725, 27418, 47450, 68545, 137090, 178217, 342725, 356434, 685450, 891085, 1000757, 1782170, 2001514, 4455425, 5003785, 8910850, 10007570, 13009841, 25018925, 26019682, 50037850, 65049205, 130098410, 325246025, 650492050]

約数ペア:

[(1, 650492050), (2, 325246025), (5, 130098410), (10, 65049205), (13, 50037850), (25, 26019682), (26, 25018925), (50, 13009841), (65, 10007570), (73, 8910850), (130, 5003785), (146, 4455425), (325, 2001514), (365, 1782170), (650, 1000757), (730, 891085), (949, 685450), (1825, 356434), (1898, 342725), (3650, 178217), (4745, 137090), (9490, 68545), (13709, 47450), (23725, 27418)]