84765040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 206924256

約数和(自身を除く): 122159216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 601, 656, 688, 820, 860, 1202, 1640, 1720, 1763, 2404, 3005, 3280, 3440, 3526, 4808, 6010, 7052, 8815, 9616, 12020, 14104, 17630, 24040, 24641, 25843, 28208, 35260, 48080, 49282, 51686, 70520, 98564, 103372, 123205, 129215, 141040, 197128, 206744, 246410, 258430, 394256, 413488, 492820, 516860, 985640, 1033720, 1059563, 1971280, 2067440, 2119126, 4238252, 5297815, 8476504, 10595630, 16953008, 21191260, 42382520, 84765040]

約数ペア:

[(1, 84765040), (2, 42382520), (4, 21191260), (5, 16953008), (8, 10595630), (10, 8476504), (16, 5297815), (20, 4238252), (40, 2119126), (41, 2067440), (43, 1971280), (80, 1059563), (82, 1033720), (86, 985640), (164, 516860), (172, 492820), (205, 413488), (215, 394256), (328, 258430), (344, 246410), (410, 206744), (430, 197128), (601, 141040), (656, 129215), (688, 123205), (820, 103372), (860, 98564), (1202, 70520), (1640, 51686), (1720, 49282), (1763, 48080), (2404, 35260), (3005, 28208), (3280, 25843), (3440, 24641), (3526, 24040), (4808, 17630), (6010, 14104), (7052, 12020), (8815, 9616)]