2025040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1519

約数の個数: 40

約数和(自身を含む): 4988520

約数和(自身を除く): 2963480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1489, 2978, 5956, 7445, 11912, 14890, 23824, 25313, 29780, 50626, 59560, 101252, 119120, 126565, 202504, 253130, 405008, 506260, 1012520, 2025040]

約数ペア:

[(1, 2025040), (2, 1012520), (4, 506260), (5, 405008), (8, 253130), (10, 202504), (16, 126565), (17, 119120), (20, 101252), (34, 59560), (40, 50626), (68, 29780), (80, 25313), (85, 23824), (136, 14890), (170, 11912), (272, 7445), (340, 5956), (680, 2978), (1360, 1489)]