8066660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 19536384

約数和(自身を除く): 11469724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 367, 628, 734, 785, 1099, 1468, 1570, 1835, 2198, 2569, 3140, 3670, 4396, 5138, 5495, 7340, 10276, 10990, 12845, 21980, 25690, 51380, 57619, 115238, 230476, 288095, 403333, 576190, 806666, 1152380, 1613332, 2016665, 4033330, 8066660]

約数ペア:

[(1, 8066660), (2, 4033330), (4, 2016665), (5, 1613332), (7, 1152380), (10, 806666), (14, 576190), (20, 403333), (28, 288095), (35, 230476), (70, 115238), (140, 57619), (157, 51380), (314, 25690), (367, 21980), (628, 12845), (734, 10990), (785, 10276), (1099, 7340), (1468, 5495), (1570, 5138), (1835, 4396), (2198, 3670), (2569, 3140)]