28004140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{911}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 62052480

約数和(自身を除く): 34048340

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 530, 580, 911, 1060, 1537, 1822, 3074, 3644, 4555, 6148, 7685, 9110, 15370, 18220, 26419, 30740, 48283, 52838, 96566, 105676, 132095, 193132, 241415, 264190, 482830, 528380, 965660, 1400207, 2800414, 5600828, 7001035, 14002070, 28004140]

約数ペア:

[(1, 28004140), (2, 14002070), (4, 7001035), (5, 5600828), (10, 2800414), (20, 1400207), (29, 965660), (53, 528380), (58, 482830), (106, 264190), (116, 241415), (145, 193132), (212, 132095), (265, 105676), (290, 96566), (530, 52838), (580, 48283), (911, 30740), (1060, 26419), (1537, 18220), (1822, 15370), (3074, 9110), (3644, 7685), (4555, 6148)]