165769040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121889}}^1$

素因数の和:121919

約数の個数: 40

約数和(自身を含む): 408087720

約数和(自身を除く): 242318680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 121889, 243778, 487556, 609445, 975112, 1218890, 1950224, 2072113, 2437780, 4144226, 4875560, 8288452, 9751120, 10360565, 16576904, 20721130, 33153808, 41442260, 82884520, 165769040]

約数ペア:

[(1, 165769040), (2, 82884520), (4, 41442260), (5, 33153808), (8, 20721130), (10, 16576904), (16, 10360565), (17, 9751120), (20, 8288452), (34, 4875560), (40, 4144226), (68, 2437780), (80, 2072113), (85, 1950224), (136, 1218890), (170, 975112), (272, 609445), (340, 487556), (680, 243778), (1360, 121889)]