72841520

素因数分解:

$2^4\times 5^1\times {\mathrm{910519}}^1$

素因数の和:910532

約数の個数: 20

約数和(自身を含む): 169356720

約数和(自身を除く): 96515200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 910519, 1821038, 3642076, 4552595, 7284152, 9105190, 14568304, 18210380, 36420760, 72841520]

約数ペア:

[(1, 72841520), (2, 36420760), (4, 18210380), (5, 14568304), (8, 9105190), (10, 7284152), (16, 4552595), (20, 3642076), (40, 1821038), (80, 910519)]