80249260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6299}}^1$

素因数の和:6335

約数の個数: 72

約数和(自身を含む): 211150800

約数和(自身を除く): 130901540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6299, 6370, 12598, 12740, 25196, 31495, 44093, 62990, 81887, 88186, 125980, 163774, 176372, 220465, 308651, 327548, 409435, 440930, 573209, 617302, 818870, 881860, 1146418, 1234604, 1543255, 1637740, 2292836, 2866045, 3086510, 4012463, 5732090, 6173020, 8024926, 11464180, 16049852, 20062315, 40124630, 80249260]

約数ペア:

[(1, 80249260), (2, 40124630), (4, 20062315), (5, 16049852), (7, 11464180), (10, 8024926), (13, 6173020), (14, 5732090), (20, 4012463), (26, 3086510), (28, 2866045), (35, 2292836), (49, 1637740), (52, 1543255), (65, 1234604), (70, 1146418), (91, 881860), (98, 818870), (130, 617302), (140, 573209), (182, 440930), (196, 409435), (245, 327548), (260, 308651), (364, 220465), (455, 176372), (490, 163774), (637, 125980), (910, 88186), (980, 81887), (1274, 62990), (1820, 44093), (2548, 31495), (3185, 25196), (6299, 12740), (6370, 12598)]