22208875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 30401280

約数和(自身を除く): 8192405

約数列:

[1, 5, 13, 25, 65, 79, 125, 173, 325, 395, 865, 1027, 1625, 1975, 2249, 4325, 5135, 9875, 11245, 13667, 21625, 25675, 56225, 68335, 128375, 177671, 281125, 341675, 888355, 1708375, 4441775, 22208875]

約数ペア:

[(1, 22208875), (5, 4441775), (13, 1708375), (25, 888355), (65, 341675), (79, 281125), (125, 177671), (173, 128375), (325, 68335), (395, 56225), (865, 25675), (1027, 21625), (1625, 13667), (1975, 11245), (2249, 9875), (4325, 5135)]