205253360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197359}}^1$

素因数の和:197385

約数の個数: 40

約数和(自身を含む): 513925440

約数和(自身を除く): 308672080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 197359, 394718, 789436, 986795, 1578872, 1973590, 2565667, 3157744, 3947180, 5131334, 7894360, 10262668, 12828335, 15788720, 20525336, 25656670, 41050672, 51313340, 102626680, 205253360]

約数ペア:

[(1, 205253360), (2, 102626680), (4, 51313340), (5, 41050672), (8, 25656670), (10, 20525336), (13, 15788720), (16, 12828335), (20, 10262668), (26, 7894360), (40, 5131334), (52, 3947180), (65, 3157744), (80, 2565667), (104, 1973590), (130, 1578872), (208, 986795), (260, 789436), (520, 394718), (1040, 197359)]