39900175

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 59496192

約数和(自身を除く): 19596017

約数列:

[1, 5, 7, 25, 35, 41, 67, 83, 175, 205, 287, 335, 415, 469, 581, 1025, 1435, 1675, 2075, 2345, 2747, 2905, 3403, 5561, 7175, 11725, 13735, 14525, 17015, 19229, 23821, 27805, 38927, 68675, 85075, 96145, 119105, 139025, 194635, 228001, 480725, 595525, 973175, 1140005, 1596007, 5700025, 7980035, 39900175]

約数ペア:

[(1, 39900175), (5, 7980035), (7, 5700025), (25, 1596007), (35, 1140005), (41, 973175), (67, 595525), (83, 480725), (175, 228001), (205, 194635), (287, 139025), (335, 119105), (415, 96145), (469, 85075), (581, 68675), (1025, 38927), (1435, 27805), (1675, 23821), (2075, 19229), (2345, 17015), (2747, 14525), (2905, 13735), (3403, 11725), (5561, 7175)]