24788780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 53555040

約数和(自身を除く): 28766260

約数列:

[1, 2, 4, 5, 10, 20, 83, 109, 137, 166, 218, 274, 332, 415, 436, 545, 548, 685, 830, 1090, 1370, 1660, 2180, 2740, 9047, 11371, 14933, 18094, 22742, 29866, 36188, 45235, 45484, 56855, 59732, 74665, 90470, 113710, 149330, 180940, 227420, 298660, 1239439, 2478878, 4957756, 6197195, 12394390, 24788780]

約数ペア:

[(1, 24788780), (2, 12394390), (4, 6197195), (5, 4957756), (10, 2478878), (20, 1239439), (83, 298660), (109, 227420), (137, 180940), (166, 149330), (218, 113710), (274, 90470), (332, 74665), (415, 59732), (436, 56855), (545, 45484), (548, 45235), (685, 36188), (830, 29866), (1090, 22742), (1370, 18094), (1660, 14933), (2180, 11371), (2740, 9047)]