47939140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{28879}}^1$

素因数の和:28971

約数の個数: 24

約数和(自身を含む): 101888640

約数和(自身を除く): 53949500

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 28879, 57758, 115516, 144395, 288790, 577580, 2396957, 4793914, 9587828, 11984785, 23969570, 47939140]

約数ペア:

[(1, 47939140), (2, 23969570), (4, 11984785), (5, 9587828), (10, 4793914), (20, 2396957), (83, 577580), (166, 288790), (332, 144395), (415, 115516), (830, 57758), (1660, 28879)]