139176560

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8831}}^1$

素因数の和:9041

約数の個数: 40

約数和(自身を含む): 325264896

約数和(自身を除く): 186088336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 8831, 15760, 17662, 35324, 44155, 70648, 88310, 141296, 176620, 353240, 706480, 1739707, 3479414, 6958828, 8698535, 13917656, 17397070, 27835312, 34794140, 69588280, 139176560]

約数ペア:

[(1, 139176560), (2, 69588280), (4, 34794140), (5, 27835312), (8, 17397070), (10, 13917656), (16, 8698535), (20, 6958828), (40, 3479414), (80, 1739707), (197, 706480), (394, 353240), (788, 176620), (985, 141296), (1576, 88310), (1970, 70648), (3152, 44155), (3940, 35324), (7880, 17662), (8831, 15760)]