204047440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{41813}}^1$

素因数の和:41887

約数の個数: 40

約数和(自身を含む): 482199048

約数和(自身を除く): 278151608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 41813, 83626, 167252, 209065, 334504, 418130, 669008, 836260, 1672520, 2550593, 3345040, 5101186, 10202372, 12752965, 20404744, 25505930, 40809488, 51011860, 102023720, 204047440]

約数ペア:

[(1, 204047440), (2, 102023720), (4, 51011860), (5, 40809488), (8, 25505930), (10, 20404744), (16, 12752965), (20, 10202372), (40, 5101186), (61, 3345040), (80, 2550593), (122, 1672520), (244, 836260), (305, 669008), (488, 418130), (610, 334504), (976, 209065), (1220, 167252), (2440, 83626), (4880, 41813)]