8391080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 19975680

約数和(自身を除く): 11584600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 101, 124, 134, 155, 202, 248, 268, 310, 335, 404, 505, 536, 620, 670, 808, 1010, 1240, 1340, 2020, 2077, 2680, 3131, 4040, 4154, 6262, 6767, 8308, 10385, 12524, 13534, 15655, 16616, 20770, 25048, 27068, 31310, 33835, 41540, 54136, 62620, 67670, 83080, 125240, 135340, 209777, 270680, 419554, 839108, 1048885, 1678216, 2097770, 4195540, 8391080]

約数ペア:

[(1, 8391080), (2, 4195540), (4, 2097770), (5, 1678216), (8, 1048885), (10, 839108), (20, 419554), (31, 270680), (40, 209777), (62, 135340), (67, 125240), (101, 83080), (124, 67670), (134, 62620), (155, 54136), (202, 41540), (248, 33835), (268, 31310), (310, 27068), (335, 25048), (404, 20770), (505, 16616), (536, 15655), (620, 13534), (670, 12524), (808, 10385), (1010, 8308), (1240, 6767), (1340, 6262), (2020, 4154), (2077, 4040), (2680, 3131)]