103721680

素因数分解:

$2^4\times 5^1\times {\mathrm{1296521}}^1$

素因数の和:1296534

約数の個数: 20

約数和(自身を含む): 241153092

約数和(自身を除く): 137431412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1296521, 2593042, 5186084, 6482605, 10372168, 12965210, 20744336, 25930420, 51860840, 103721680]

約数ペア:

[(1, 103721680), (2, 51860840), (4, 25930420), (5, 20744336), (8, 12965210), (10, 10372168), (16, 6482605), (20, 5186084), (40, 2593042), (80, 1296521)]