1587367280

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{99709}}^1$

素因数の和:99921

約数の個数: 40

約数和(自身を含む): 3709212000

約数和(自身を除く): 2121844720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 99709, 199418, 398836, 498545, 797672, 997090, 1595344, 1994180, 3988360, 7976720, 19842091, 39684182, 79368364, 99210455, 158736728, 198420910, 317473456, 396841820, 793683640, 1587367280]

約数ペア:

[(1, 1587367280), (2, 793683640), (4, 396841820), (5, 317473456), (8, 198420910), (10, 158736728), (16, 99210455), (20, 79368364), (40, 39684182), (80, 19842091), (199, 7976720), (398, 3988360), (796, 1994180), (995, 1595344), (1592, 997090), (1990, 797672), (3184, 498545), (3980, 398836), (7960, 199418), (15920, 99709)]