126616720

素因数分解:

$2^4\times 5^1\times {\mathrm{1582709}}^1$

素因数の和:1582722

約数の個数: 20

約数和(自身を含む): 294384060

約数和(自身を除く): 167767340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1582709, 3165418, 6330836, 7913545, 12661672, 15827090, 25323344, 31654180, 63308360, 126616720]

約数ペア:

[(1, 126616720), (2, 63308360), (4, 31654180), (5, 25323344), (8, 15827090), (10, 12661672), (16, 7913545), (20, 6330836), (40, 3165418), (80, 1582709)]