38795980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 84651840

約数和(自身を除く): 45855860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 103, 148, 185, 206, 370, 412, 509, 515, 740, 1018, 1030, 2036, 2060, 2545, 3811, 5090, 7622, 10180, 15244, 18833, 19055, 37666, 38110, 52427, 75332, 76220, 94165, 104854, 188330, 209708, 262135, 376660, 524270, 1048540, 1939799, 3879598, 7759196, 9698995, 19397990, 38795980]

約数ペア:

[(1, 38795980), (2, 19397990), (4, 9698995), (5, 7759196), (10, 3879598), (20, 1939799), (37, 1048540), (74, 524270), (103, 376660), (148, 262135), (185, 209708), (206, 188330), (370, 104854), (412, 94165), (509, 76220), (515, 75332), (740, 52427), (1018, 38110), (1030, 37666), (2036, 19055), (2060, 18833), (2545, 15244), (3811, 10180), (5090, 7622)]