2519291240

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{136621}}^1$

素因数の和:137093

約数の個数: 32

約数和(自身を含む): 5680742760

約数和(自身を除く): 3161451520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 18440, 136621, 273242, 546484, 683105, 1092968, 1366210, 2732420, 5464840, 62982281, 125964562, 251929124, 314911405, 503858248, 629822810, 1259645620, 2519291240]

約数ペア:

[(1, 2519291240), (2, 1259645620), (4, 629822810), (5, 503858248), (8, 314911405), (10, 251929124), (20, 125964562), (40, 62982281), (461, 5464840), (922, 2732420), (1844, 1366210), (2305, 1092968), (3688, 683105), (4610, 546484), (9220, 273242), (18440, 136621)]