3648520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 8368920

約数和(自身を除く): 4720400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1721, 2120, 3442, 6884, 8605, 13768, 17210, 34420, 68840, 91213, 182426, 364852, 456065, 729704, 912130, 1824260, 3648520]

約数ペア:

[(1, 3648520), (2, 1824260), (4, 912130), (5, 729704), (8, 456065), (10, 364852), (20, 182426), (40, 91213), (53, 68840), (106, 34420), (212, 17210), (265, 13768), (424, 8605), (530, 6884), (1060, 3442), (1721, 2120)]