25421980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{827}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 56337120

約数和(自身を除く): 30915140

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 530, 580, 827, 1060, 1537, 1654, 3074, 3308, 4135, 6148, 7685, 8270, 15370, 16540, 23983, 30740, 43831, 47966, 87662, 95932, 119915, 175324, 219155, 239830, 438310, 479660, 876620, 1271099, 2542198, 5084396, 6355495, 12710990, 25421980]

約数ペア:

[(1, 25421980), (2, 12710990), (4, 6355495), (5, 5084396), (10, 2542198), (20, 1271099), (29, 876620), (53, 479660), (58, 438310), (106, 239830), (116, 219155), (145, 175324), (212, 119915), (265, 95932), (290, 87662), (530, 47966), (580, 43831), (827, 30740), (1060, 23983), (1537, 16540), (1654, 15370), (3074, 8270), (3308, 7685), (4135, 6148)]