16255720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 40360320

約数和(自身を除く): 24104600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 727, 860, 1118, 1454, 1720, 2236, 2795, 2908, 3635, 4472, 5590, 5816, 7270, 9451, 11180, 14540, 18902, 22360, 29080, 31261, 37804, 47255, 62522, 75608, 94510, 125044, 156305, 189020, 250088, 312610, 378040, 406393, 625220, 812786, 1250440, 1625572, 2031965, 3251144, 4063930, 8127860, 16255720]

約数ペア:

[(1, 16255720), (2, 8127860), (4, 4063930), (5, 3251144), (8, 2031965), (10, 1625572), (13, 1250440), (20, 812786), (26, 625220), (40, 406393), (43, 378040), (52, 312610), (65, 250088), (86, 189020), (104, 156305), (130, 125044), (172, 94510), (215, 75608), (260, 62522), (344, 47255), (430, 37804), (520, 31261), (559, 29080), (727, 22360), (860, 18902), (1118, 14540), (1454, 11180), (1720, 9451), (2236, 7270), (2795, 5816), (2908, 5590), (3635, 4472)]