67622420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 145367040

約数和(自身を除く): 77744620

約数列:

[1, 2, 4, 5, 10, 20, 79, 127, 158, 254, 316, 337, 395, 508, 635, 674, 790, 1270, 1348, 1580, 1685, 2540, 3370, 6740, 10033, 20066, 26623, 40132, 42799, 50165, 53246, 85598, 100330, 106492, 133115, 171196, 200660, 213995, 266230, 427990, 532460, 855980, 3381121, 6762242, 13524484, 16905605, 33811210, 67622420]

約数ペア:

[(1, 67622420), (2, 33811210), (4, 16905605), (5, 13524484), (10, 6762242), (20, 3381121), (79, 855980), (127, 532460), (158, 427990), (254, 266230), (316, 213995), (337, 200660), (395, 171196), (508, 133115), (635, 106492), (674, 100330), (790, 85598), (1270, 53246), (1348, 50165), (1580, 42799), (1685, 40132), (2540, 26623), (3370, 20066), (6740, 10033)]