39908945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 53032320

約数和(自身を除く): 13123375

約数列:

[1, 5, 17, 43, 61, 85, 179, 215, 305, 731, 895, 1037, 2623, 3043, 3655, 5185, 7697, 10919, 13115, 15215, 38485, 44591, 54595, 130849, 185623, 222955, 469517, 654245, 928115, 2347585, 7981789, 39908945]

約数ペア:

[(1, 39908945), (5, 7981789), (17, 2347585), (43, 928115), (61, 654245), (85, 469517), (179, 222955), (215, 185623), (305, 130849), (731, 54595), (895, 44591), (1037, 38485), (2623, 15215), (3043, 13115), (3655, 10919), (5185, 7697)]