8179340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 18707808

約数和(自身を除く): 10528468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 193, 260, 326, 386, 652, 772, 815, 965, 1630, 1930, 2119, 2509, 3260, 3860, 4238, 5018, 8476, 10036, 10595, 12545, 21190, 25090, 31459, 42380, 50180, 62918, 125836, 157295, 314590, 408967, 629180, 817934, 1635868, 2044835, 4089670, 8179340]

約数ペア:

[(1, 8179340), (2, 4089670), (4, 2044835), (5, 1635868), (10, 817934), (13, 629180), (20, 408967), (26, 314590), (52, 157295), (65, 125836), (130, 62918), (163, 50180), (193, 42380), (260, 31459), (326, 25090), (386, 21190), (652, 12545), (772, 10595), (815, 10036), (965, 8476), (1630, 5018), (1930, 4238), (2119, 3860), (2509, 3260)]