17019920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5189}}^1$

素因数の和:5243

約数の個数: 40

約数和(自身を含む): 40544280

約数和(自身を除く): 23524360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5189, 10378, 20756, 25945, 41512, 51890, 83024, 103780, 207560, 212749, 415120, 425498, 850996, 1063745, 1701992, 2127490, 3403984, 4254980, 8509960, 17019920]

約数ペア:

[(1, 17019920), (2, 8509960), (4, 4254980), (5, 3403984), (8, 2127490), (10, 1701992), (16, 1063745), (20, 850996), (40, 425498), (41, 415120), (80, 212749), (82, 207560), (164, 103780), (205, 83024), (328, 51890), (410, 41512), (656, 25945), (820, 20756), (1640, 10378), (3280, 5189)]