31297240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 76557600

約数和(自身を除く): 45260360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 433, 520, 556, 695, 866, 1112, 1390, 1732, 1807, 2165, 2780, 3464, 3614, 4330, 5560, 5629, 7228, 8660, 9035, 11258, 14456, 17320, 18070, 22516, 28145, 36140, 45032, 56290, 60187, 72280, 112580, 120374, 225160, 240748, 300935, 481496, 601870, 782431, 1203740, 1564862, 2407480, 3129724, 3912155, 6259448, 7824310, 15648620, 31297240]

約数ペア:

[(1, 31297240), (2, 15648620), (4, 7824310), (5, 6259448), (8, 3912155), (10, 3129724), (13, 2407480), (20, 1564862), (26, 1203740), (40, 782431), (52, 601870), (65, 481496), (104, 300935), (130, 240748), (139, 225160), (260, 120374), (278, 112580), (433, 72280), (520, 60187), (556, 56290), (695, 45032), (866, 36140), (1112, 28145), (1390, 22516), (1732, 18070), (1807, 17320), (2165, 14456), (2780, 11258), (3464, 9035), (3614, 8660), (4330, 7228), (5560, 5629)]