72499600

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{859}}^1$

素因数の和:1088

約数の個数: 60

約数和(自身を含む): 175209520

約数和(自身を除く): 102709920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 400, 422, 844, 859, 1055, 1688, 1718, 2110, 3376, 3436, 4220, 4295, 5275, 6872, 8440, 8590, 10550, 13744, 16880, 17180, 21100, 21475, 34360, 42200, 42950, 68720, 84400, 85900, 171800, 181249, 343600, 362498, 724996, 906245, 1449992, 1812490, 2899984, 3624980, 4531225, 7249960, 9062450, 14499920, 18124900, 36249800, 72499600]

約数ペア:

[(1, 72499600), (2, 36249800), (4, 18124900), (5, 14499920), (8, 9062450), (10, 7249960), (16, 4531225), (20, 3624980), (25, 2899984), (40, 1812490), (50, 1449992), (80, 906245), (100, 724996), (200, 362498), (211, 343600), (400, 181249), (422, 171800), (844, 85900), (859, 84400), (1055, 68720), (1688, 42950), (1718, 42200), (2110, 34360), (3376, 21475), (3436, 21100), (4220, 17180), (4295, 16880), (5275, 13744), (6872, 10550), (8440, 8590)]