84519280

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5309}}^1$

素因数の和:5521

約数の個数: 40

約数和(自身を含む): 197532000

約数和(自身を除く): 113012720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 5309, 7960, 10618, 15920, 21236, 26545, 42472, 53090, 84944, 106180, 212360, 424720, 1056491, 2112982, 4225964, 5282455, 8451928, 10564910, 16903856, 21129820, 42259640, 84519280]

約数ペア:

[(1, 84519280), (2, 42259640), (4, 21129820), (5, 16903856), (8, 10564910), (10, 8451928), (16, 5282455), (20, 4225964), (40, 2112982), (80, 1056491), (199, 424720), (398, 212360), (796, 106180), (995, 84944), (1592, 53090), (1990, 42472), (3184, 26545), (3980, 21236), (5309, 15920), (7960, 10618)]