66693250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20521}}^1$

素因数の和:20551

約数の個数: 32

約数和(自身を含む): 134460144

約数和(自身を除く): 67766894

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 20521, 41042, 102605, 205210, 266773, 513025, 533546, 1026050, 1333865, 2565125, 2667730, 5130250, 6669325, 13338650, 33346625, 66693250]

約数ペア:

[(1, 66693250), (2, 33346625), (5, 13338650), (10, 6669325), (13, 5130250), (25, 2667730), (26, 2565125), (50, 1333865), (65, 1026050), (125, 533546), (130, 513025), (250, 266773), (325, 205210), (650, 102605), (1625, 41042), (3250, 20521)]