4039990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13931}}^1$

素因数の和:13967

約数の個数: 16

約数和(自身を含む): 7523280

約数和(自身を除く): 3483290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 13931, 27862, 69655, 139310, 403999, 807998, 2019995, 4039990]

約数ペア:

[(1, 4039990), (2, 2019995), (5, 807998), (10, 403999), (29, 139310), (58, 69655), (145, 27862), (290, 13931)]