66646480

素因数分解:

$2^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1523}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 155338272

約数和(自身を除く): 88691792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 547, 1094, 1523, 2188, 2735, 3046, 4376, 5470, 6092, 7615, 8752, 10940, 12184, 15230, 21880, 24368, 30460, 43760, 60920, 121840, 833081, 1666162, 3332324, 4165405, 6664648, 8330810, 13329296, 16661620, 33323240, 66646480]

約数ペア:

[(1, 66646480), (2, 33323240), (4, 16661620), (5, 13329296), (8, 8330810), (10, 6664648), (16, 4165405), (20, 3332324), (40, 1666162), (80, 833081), (547, 121840), (1094, 60920), (1523, 43760), (2188, 30460), (2735, 24368), (3046, 21880), (4376, 15230), (5470, 12184), (6092, 10940), (7615, 8752)]