80108960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{521}}^1$

素因数の和:598

約数の個数: 72

約数和(自身を含む): 195934788

約数和(自身を除く): 115825828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 521, 620, 961, 992, 1042, 1240, 1922, 2084, 2480, 2605, 3844, 4168, 4805, 4960, 5210, 7688, 8336, 9610, 10420, 15376, 16151, 16672, 19220, 20840, 30752, 32302, 38440, 41680, 64604, 76880, 80755, 83360, 129208, 153760, 161510, 258416, 323020, 500681, 516832, 646040, 1001362, 1292080, 2002724, 2503405, 2584160, 4005448, 5006810, 8010896, 10013620, 16021792, 20027240, 40054480, 80108960]

約数ペア:

[(1, 80108960), (2, 40054480), (4, 20027240), (5, 16021792), (8, 10013620), (10, 8010896), (16, 5006810), (20, 4005448), (31, 2584160), (32, 2503405), (40, 2002724), (62, 1292080), (80, 1001362), (124, 646040), (155, 516832), (160, 500681), (248, 323020), (310, 258416), (496, 161510), (521, 153760), (620, 129208), (961, 83360), (992, 80755), (1042, 76880), (1240, 64604), (1922, 41680), (2084, 38440), (2480, 32302), (2605, 30752), (3844, 20840), (4168, 19220), (4805, 16672), (4960, 16151), (5210, 15376), (7688, 10420), (8336, 9610)]