80135875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 108478656

約数和(自身を除く): 28342781

約数列:

[1, 5, 17, 25, 43, 85, 125, 215, 425, 731, 877, 1075, 2125, 3655, 4385, 5375, 14909, 18275, 21925, 37711, 74545, 91375, 109625, 188555, 372725, 641087, 942775, 1863625, 3205435, 4713875, 16027175, 80135875]

約数ペア:

[(1, 80135875), (5, 16027175), (17, 4713875), (25, 3205435), (43, 1863625), (85, 942775), (125, 641087), (215, 372725), (425, 188555), (731, 109625), (877, 91375), (1075, 74545), (2125, 37711), (3655, 21925), (4385, 18275), (5375, 14909)]