49721680

素因数分解:

$2^4\times 5^1\times {\mathrm{621521}}^1$

素因数の和:621534

約数の個数: 20

約数和(自身を含む): 115603092

約数和(自身を除く): 65881412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 621521, 1243042, 2486084, 3107605, 4972168, 6215210, 9944336, 12430420, 24860840, 49721680]

約数ペア:

[(1, 49721680), (2, 24860840), (4, 12430420), (5, 9944336), (8, 6215210), (10, 4972168), (16, 3107605), (20, 2486084), (40, 1243042), (80, 621521)]