66469720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20021}}^1$

素因数の和:20115

約数の個数: 32

約数和(自身を含む): 151366320

約数和(自身を除く): 84896600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 20021, 40042, 80084, 100105, 160168, 200210, 400420, 800840, 1661743, 3323486, 6646972, 8308715, 13293944, 16617430, 33234860, 66469720]

約数ペア:

[(1, 66469720), (2, 33234860), (4, 16617430), (5, 13293944), (8, 8308715), (10, 6646972), (20, 3323486), (40, 1661743), (83, 800840), (166, 400420), (332, 200210), (415, 160168), (664, 100105), (830, 80084), (1660, 40042), (3320, 20021)]