6419740

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1613}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 13557600

約数和(自身を除く): 7137860

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1613, 1990, 3226, 3980, 6452, 8065, 16130, 32260, 320987, 641974, 1283948, 1604935, 3209870, 6419740]

約数ペア:

[(1, 6419740), (2, 3209870), (4, 1604935), (5, 1283948), (10, 641974), (20, 320987), (199, 32260), (398, 16130), (796, 8065), (995, 6452), (1613, 3980), (1990, 3226)]