2018325040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{615343}}^1$

素因数の和:615397

約数の個数: 40

約数和(自身を含む): 4807067328

約数和(自身を除く): 2788742288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 615343, 1230686, 2461372, 3076715, 4922744, 6153430, 9845488, 12306860, 24613720, 25229063, 49227440, 50458126, 100916252, 126145315, 201832504, 252290630, 403665008, 504581260, 1009162520, 2018325040]

約数ペア:

[(1, 2018325040), (2, 1009162520), (4, 504581260), (5, 403665008), (8, 252290630), (10, 201832504), (16, 126145315), (20, 100916252), (40, 50458126), (41, 49227440), (80, 25229063), (82, 24613720), (164, 12306860), (205, 9845488), (328, 6153430), (410, 4922744), (656, 3076715), (820, 2461372), (1640, 1230686), (3280, 615343)]