127780250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{39317}}^1$

素因数の和:39347

約数の個数: 32

約数和(自身を含む): 257611536

約数和(自身を除く): 129831286

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 39317, 78634, 196585, 393170, 511121, 982925, 1022242, 1965850, 2555605, 4914625, 5111210, 9829250, 12778025, 25556050, 63890125, 127780250]

約数ペア:

[(1, 127780250), (2, 63890125), (5, 25556050), (10, 12778025), (13, 9829250), (25, 5111210), (26, 4914625), (50, 2555605), (65, 1965850), (125, 1022242), (130, 982925), (250, 511121), (325, 393170), (650, 196585), (1625, 78634), (3250, 39317)]