1538361680

素因数分解:

$2^4\times 5^1\times {\mathrm{3529}}^1\times {\mathrm{5449}}^1$

素因数の和:8991

約数の個数: 40

約数和(自身を含む): 3578361000

約数和(自身を除く): 2039999320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3529, 5449, 7058, 10898, 14116, 17645, 21796, 27245, 28232, 35290, 43592, 54490, 56464, 70580, 87184, 108980, 141160, 217960, 282320, 435920, 19229521, 38459042, 76918084, 96147605, 153836168, 192295210, 307672336, 384590420, 769180840, 1538361680]

約数ペア:

[(1, 1538361680), (2, 769180840), (4, 384590420), (5, 307672336), (8, 192295210), (10, 153836168), (16, 96147605), (20, 76918084), (40, 38459042), (80, 19229521), (3529, 435920), (5449, 282320), (7058, 217960), (10898, 141160), (14116, 108980), (17645, 87184), (21796, 70580), (27245, 56464), (28232, 54490), (35290, 43592)]