39394940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{547}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 89578272

約数和(自身を除く): 50183332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 547, 554, 1094, 1108, 1385, 2188, 2735, 2770, 3601, 5470, 5540, 7111, 7202, 10940, 14222, 14404, 18005, 28444, 35555, 36010, 71110, 72020, 142220, 151519, 303038, 606076, 757595, 1515190, 1969747, 3030380, 3939494, 7878988, 9848735, 19697470, 39394940]

約数ペア:

[(1, 39394940), (2, 19697470), (4, 9848735), (5, 7878988), (10, 3939494), (13, 3030380), (20, 1969747), (26, 1515190), (52, 757595), (65, 606076), (130, 303038), (260, 151519), (277, 142220), (547, 72020), (554, 71110), (1094, 36010), (1108, 35555), (1385, 28444), (2188, 18005), (2735, 14404), (2770, 14222), (3601, 10940), (5470, 7202), (5540, 7111)]