40810020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1663}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 114616320

約数和(自身を除く): 73806300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 1663, 2045, 2454, 3326, 4090, 4908, 4989, 6135, 6652, 8180, 8315, 9978, 12270, 16630, 19956, 24540, 24945, 33260, 49890, 99780, 680167, 1360334, 2040501, 2720668, 3400835, 4081002, 6801670, 8162004, 10202505, 13603340, 20405010, 40810020]

約数ペア:

[(1, 40810020), (2, 20405010), (3, 13603340), (4, 10202505), (5, 8162004), (6, 6801670), (10, 4081002), (12, 3400835), (15, 2720668), (20, 2040501), (30, 1360334), (60, 680167), (409, 99780), (818, 49890), (1227, 33260), (1636, 24945), (1663, 24540), (2045, 19956), (2454, 16630), (3326, 12270), (4090, 9978), (4908, 8315), (4989, 8180), (6135, 6652)]