80752960

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{617}}^1$

素因数の和:1043

約数の個数: 56

約数和(自身を含む): 193075560

約数和(自身を除く): 112322600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 617, 818, 1234, 1636, 2045, 2468, 3085, 3272, 4090, 4936, 6170, 6544, 8180, 9872, 12340, 13088, 16360, 19744, 24680, 26176, 32720, 39488, 49360, 65440, 98720, 130880, 197440, 252353, 504706, 1009412, 1261765, 2018824, 2523530, 4037648, 5047060, 8075296, 10094120, 16150592, 20188240, 40376480, 80752960]

約数ペア:

[(1, 80752960), (2, 40376480), (4, 20188240), (5, 16150592), (8, 10094120), (10, 8075296), (16, 5047060), (20, 4037648), (32, 2523530), (40, 2018824), (64, 1261765), (80, 1009412), (160, 504706), (320, 252353), (409, 197440), (617, 130880), (818, 98720), (1234, 65440), (1636, 49360), (2045, 39488), (2468, 32720), (3085, 26176), (3272, 24680), (4090, 19744), (4936, 16360), (6170, 13088), (6544, 12340), (8180, 9872)]