65509900

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{2741}}^1$

素因数の和:2994

約数の個数: 36

約数和(自身を含む): 142803360

約数和(自身を除く): 77293460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 2390, 2741, 4780, 5482, 5975, 10964, 11950, 13705, 23900, 27410, 54820, 68525, 137050, 274100, 655099, 1310198, 2620396, 3275495, 6550990, 13101980, 16377475, 32754950, 65509900]

約数ペア:

[(1, 65509900), (2, 32754950), (4, 16377475), (5, 13101980), (10, 6550990), (20, 3275495), (25, 2620396), (50, 1310198), (100, 655099), (239, 274100), (478, 137050), (956, 68525), (1195, 54820), (2390, 27410), (2741, 23900), (4780, 13705), (5482, 11950), (5975, 10964)]