40845740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 93176832

約数和(自身を除く): 52331092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1237, 1270, 1651, 2474, 2540, 3302, 4948, 6185, 6604, 8255, 12370, 16081, 16510, 24740, 32162, 33020, 64324, 80405, 157099, 160810, 314198, 321620, 628396, 785495, 1570990, 2042287, 3141980, 4084574, 8169148, 10211435, 20422870, 40845740]

約数ペア:

[(1, 40845740), (2, 20422870), (4, 10211435), (5, 8169148), (10, 4084574), (13, 3141980), (20, 2042287), (26, 1570990), (52, 785495), (65, 628396), (127, 321620), (130, 314198), (254, 160810), (260, 157099), (508, 80405), (635, 64324), (1237, 33020), (1270, 32162), (1651, 24740), (2474, 16510), (2540, 16081), (3302, 12370), (4948, 8255), (6185, 6604)]