201018080

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30643}}^1$

素因数の和:30699

約数の個数: 48

約数和(自身を含む): 486504144

約数和(自身を除く): 285486064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 30643, 61286, 122572, 153215, 245144, 306430, 490288, 612860, 980576, 1225720, 1256363, 2451440, 2512726, 4902880, 5025452, 6281815, 10050904, 12563630, 20101808, 25127260, 40203616, 50254520, 100509040, 201018080]

約数ペア:

[(1, 201018080), (2, 100509040), (4, 50254520), (5, 40203616), (8, 25127260), (10, 20101808), (16, 12563630), (20, 10050904), (32, 6281815), (40, 5025452), (41, 4902880), (80, 2512726), (82, 2451440), (160, 1256363), (164, 1225720), (205, 980576), (328, 612860), (410, 490288), (656, 306430), (820, 245144), (1312, 153215), (1640, 122572), (3280, 61286), (6560, 30643)]