49799375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 68040720

約数和(自身を除く): 18241345

約数列:

[1, 5, 17, 25, 43, 85, 109, 125, 215, 425, 545, 625, 731, 1075, 1853, 2125, 2725, 3655, 4687, 5375, 9265, 10625, 13625, 18275, 23435, 26875, 46325, 68125, 79679, 91375, 117175, 231625, 398395, 456875, 585875, 1158125, 1991975, 2929375, 9959875, 49799375]

約数ペア:

[(1, 49799375), (5, 9959875), (17, 2929375), (25, 1991975), (43, 1158125), (85, 585875), (109, 456875), (125, 398395), (215, 231625), (425, 117175), (545, 91375), (625, 79679), (731, 68125), (1075, 46325), (1853, 26875), (2125, 23435), (2725, 18275), (3655, 13625), (4687, 10625), (5375, 9265)]