28005200

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1392

約数の個数: 60

約数和(自身を含む): 68603868

約数和(自身を除く): 40598668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 1060, 1321, 1325, 2120, 2642, 2650, 4240, 5284, 5300, 6605, 10568, 10600, 13210, 21136, 21200, 26420, 33025, 52840, 66050, 70013, 105680, 132100, 140026, 264200, 280052, 350065, 528400, 560104, 700130, 1120208, 1400260, 1750325, 2800520, 3500650, 5601040, 7001300, 14002600, 28005200]

約数ペア:

[(1, 28005200), (2, 14002600), (4, 7001300), (5, 5601040), (8, 3500650), (10, 2800520), (16, 1750325), (20, 1400260), (25, 1120208), (40, 700130), (50, 560104), (53, 528400), (80, 350065), (100, 280052), (106, 264200), (200, 140026), (212, 132100), (265, 105680), (400, 70013), (424, 66050), (530, 52840), (848, 33025), (1060, 26420), (1321, 21200), (1325, 21136), (2120, 13210), (2642, 10600), (2650, 10568), (4240, 6605), (5284, 5300)]