254920277240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89760661}}^1$

素因数の和:89760743

約数の個数: 32

約数和(自身を含む): 581649089760

約数和(自身を除く): 326728812520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 89760661, 179521322, 359042644, 448803305, 718085288, 897606610, 1795213220, 3590426440, 6373006931, 12746013862, 25492027724, 31865034655, 50984055448, 63730069310, 127460138620, 254920277240]

約数ペア:

[(1, 254920277240), (2, 127460138620), (4, 63730069310), (5, 50984055448), (8, 31865034655), (10, 25492027724), (20, 12746013862), (40, 6373006931), (71, 3590426440), (142, 1795213220), (284, 897606610), (355, 718085288), (568, 448803305), (710, 359042644), (1420, 179521322), (2840, 89760661)]