28783240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13577}}^1$

素因数の和:13641

約数の個数: 32

約数和(自身を含む): 65989080

約数和(自身を除く): 37205840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13577, 27154, 54308, 67885, 108616, 135770, 271540, 543080, 719581, 1439162, 2878324, 3597905, 5756648, 7195810, 14391620, 28783240]

約数ペア:

[(1, 28783240), (2, 14391620), (4, 7195810), (5, 5756648), (8, 3597905), (10, 2878324), (20, 1439162), (40, 719581), (53, 543080), (106, 271540), (212, 135770), (265, 108616), (424, 67885), (530, 54308), (1060, 27154), (2120, 13577)]