42681680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7963}}^1$

素因数の和:8043

約数の個数: 40

約数和(自身を含む): 100728672

約数和(自身を除く): 58046992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 7963, 15926, 31852, 39815, 63704, 79630, 127408, 159260, 318520, 533521, 637040, 1067042, 2134084, 2667605, 4268168, 5335210, 8536336, 10670420, 21340840, 42681680]

約数ペア:

[(1, 42681680), (2, 21340840), (4, 10670420), (5, 8536336), (8, 5335210), (10, 4268168), (16, 2667605), (20, 2134084), (40, 1067042), (67, 637040), (80, 533521), (134, 318520), (268, 159260), (335, 127408), (536, 79630), (670, 63704), (1072, 39815), (1340, 31852), (2680, 15926), (5360, 7963)]