4239640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1277}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 9661680

約数和(自身を除く): 5422040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1277, 1660, 2554, 3320, 5108, 6385, 10216, 12770, 25540, 51080, 105991, 211982, 423964, 529955, 847928, 1059910, 2119820, 4239640]

約数ペア:

[(1, 4239640), (2, 2119820), (4, 1059910), (5, 847928), (8, 529955), (10, 423964), (20, 211982), (40, 105991), (83, 51080), (166, 25540), (332, 12770), (415, 10216), (664, 6385), (830, 5108), (1277, 3320), (1660, 2554)]