13431800

素因数分解:

$2^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 31471200

約数和(自身を除く): 18039400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 239, 281, 478, 562, 956, 1124, 1195, 1405, 1912, 2248, 2390, 2810, 4780, 5620, 5975, 7025, 9560, 11240, 11950, 14050, 23900, 28100, 47800, 56200, 67159, 134318, 268636, 335795, 537272, 671590, 1343180, 1678975, 2686360, 3357950, 6715900, 13431800]

約数ペア:

[(1, 13431800), (2, 6715900), (4, 3357950), (5, 2686360), (8, 1678975), (10, 1343180), (20, 671590), (25, 537272), (40, 335795), (50, 268636), (100, 134318), (200, 67159), (239, 56200), (281, 47800), (478, 28100), (562, 23900), (956, 14050), (1124, 11950), (1195, 11240), (1405, 9560), (1912, 7025), (2248, 5975), (2390, 5620), (2810, 4780)]