157440803560

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{9623521}}^1$

素因数の和:9623941

約数の個数: 32

約数和(自身を含む): 355107961800

約数和(自身を除く): 197667158240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 9623521, 19247042, 38494084, 48117605, 76988168, 96235210, 192470420, 384940840, 3936020089, 7872040178, 15744080356, 19680100445, 31488160712, 39360200890, 78720401780, 157440803560]

約数ペア:

[(1, 157440803560), (2, 78720401780), (4, 39360200890), (5, 31488160712), (8, 19680100445), (10, 15744080356), (20, 7872040178), (40, 3936020089), (409, 384940840), (818, 192470420), (1636, 96235210), (2045, 76988168), (3272, 48117605), (4090, 38494084), (8180, 19247042), (16360, 9623521)]