8089820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 18228000

約数和(自身を除く): 10138180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 349, 380, 610, 698, 1159, 1220, 1396, 1745, 2318, 3490, 4636, 5795, 6631, 6980, 11590, 13262, 21289, 23180, 26524, 33155, 42578, 66310, 85156, 106445, 132620, 212890, 404491, 425780, 808982, 1617964, 2022455, 4044910, 8089820]

約数ペア:

[(1, 8089820), (2, 4044910), (4, 2022455), (5, 1617964), (10, 808982), (19, 425780), (20, 404491), (38, 212890), (61, 132620), (76, 106445), (95, 85156), (122, 66310), (190, 42578), (244, 33155), (305, 26524), (349, 23180), (380, 21289), (610, 13262), (698, 11590), (1159, 6980), (1220, 6631), (1396, 5795), (1745, 4636), (2318, 3490)]