84787480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 199169280

約数和(自身を除く): 114381800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 505, 620, 677, 808, 1010, 1240, 1354, 2020, 2708, 3131, 3385, 4040, 5416, 6262, 6770, 12524, 13540, 15655, 20987, 25048, 27080, 31310, 41974, 62620, 68377, 83948, 104935, 125240, 136754, 167896, 209870, 273508, 341885, 419740, 547016, 683770, 839480, 1367540, 2119687, 2735080, 4239374, 8478748, 10598435, 16957496, 21196870, 42393740, 84787480]

約数ペア:

[(1, 84787480), (2, 42393740), (4, 21196870), (5, 16957496), (8, 10598435), (10, 8478748), (20, 4239374), (31, 2735080), (40, 2119687), (62, 1367540), (101, 839480), (124, 683770), (155, 547016), (202, 419740), (248, 341885), (310, 273508), (404, 209870), (505, 167896), (620, 136754), (677, 125240), (808, 104935), (1010, 83948), (1240, 68377), (1354, 62620), (2020, 41974), (2708, 31310), (3131, 27080), (3385, 25048), (4040, 20987), (5416, 15655), (6262, 13540), (6770, 12524)]