40549660

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3163}}^1$

素因数の和:3813

約数の個数: 24

約数和(自身を含む): 85314096

約数和(自身を除く): 44764436

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3163, 3205, 6326, 6410, 12652, 12820, 15815, 31630, 63260, 2027483, 4054966, 8109932, 10137415, 20274830, 40549660]

約数ペア:

[(1, 40549660), (2, 20274830), (4, 10137415), (5, 8109932), (10, 4054966), (20, 2027483), (641, 63260), (1282, 31630), (2564, 15815), (3163, 12820), (3205, 12652), (6326, 6410)]