1640249530

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1842977}}^1$

素因数の和:1843073

約数の個数: 16

約数和(自身を含む): 2985624360

約数和(自身を除く): 1345374830

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1842977, 3685954, 9214885, 18429770, 164024953, 328049906, 820124765, 1640249530]

約数ペア:

[(1, 1640249530), (2, 820124765), (5, 328049906), (10, 164024953), (89, 18429770), (178, 9214885), (445, 3685954), (890, 1842977)]