8427260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 18963840

約数和(自身を除く): 10536580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 331, 335, 380, 662, 670, 1273, 1324, 1340, 1655, 2546, 3310, 5092, 6289, 6365, 6620, 12578, 12730, 22177, 25156, 25460, 31445, 44354, 62890, 88708, 110885, 125780, 221770, 421363, 443540, 842726, 1685452, 2106815, 4213630, 8427260]

約数ペア:

[(1, 8427260), (2, 4213630), (4, 2106815), (5, 1685452), (10, 842726), (19, 443540), (20, 421363), (38, 221770), (67, 125780), (76, 110885), (95, 88708), (134, 62890), (190, 44354), (268, 31445), (331, 25460), (335, 25156), (380, 22177), (662, 12730), (670, 12578), (1273, 6620), (1324, 6365), (1340, 6289), (1655, 5092), (2546, 3310)]