12582800

素因数分解:

$2^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 60

約数和(自身を含む): 30675120

約数和(自身を除く): 18092320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 83, 100, 166, 200, 332, 379, 400, 415, 664, 758, 830, 1328, 1516, 1660, 1895, 2075, 3032, 3320, 3790, 4150, 6064, 6640, 7580, 8300, 9475, 15160, 16600, 18950, 30320, 31457, 33200, 37900, 62914, 75800, 125828, 151600, 157285, 251656, 314570, 503312, 629140, 786425, 1258280, 1572850, 2516560, 3145700, 6291400, 12582800]

約数ペア:

[(1, 12582800), (2, 6291400), (4, 3145700), (5, 2516560), (8, 1572850), (10, 1258280), (16, 786425), (20, 629140), (25, 503312), (40, 314570), (50, 251656), (80, 157285), (83, 151600), (100, 125828), (166, 75800), (200, 62914), (332, 37900), (379, 33200), (400, 31457), (415, 30320), (664, 18950), (758, 16600), (830, 15160), (1328, 9475), (1516, 8300), (1660, 7580), (1895, 6640), (2075, 6064), (3032, 4150), (3320, 3790)]