77451040

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4441}}^1$

素因数の和:4565

約数の個数: 48

約数和(自身を含む): 184698360

約数和(自身を除く): 107247320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 4441, 8720, 8882, 17440, 17764, 22205, 35528, 44410, 71056, 88820, 142112, 177640, 355280, 484069, 710560, 968138, 1936276, 2420345, 3872552, 4840690, 7745104, 9681380, 15490208, 19362760, 38725520, 77451040]

約数ペア:

[(1, 77451040), (2, 38725520), (4, 19362760), (5, 15490208), (8, 9681380), (10, 7745104), (16, 4840690), (20, 3872552), (32, 2420345), (40, 1936276), (80, 968138), (109, 710560), (160, 484069), (218, 355280), (436, 177640), (545, 142112), (872, 88820), (1090, 71056), (1744, 44410), (2180, 35528), (3488, 22205), (4360, 17764), (4441, 17440), (8720, 8882)]