2017685920

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{115693}}^1$

素因数の和:115817

約数の個数: 48

約数和(自身を含む): 4810556520

約数和(自身を除く): 2792870600

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, 8720, 17440, 115693, 231386, 462772, 578465, 925544, 1156930, 1851088, 2313860, 3702176, 4627720, 9255440, 12610537, 18510880, 25221074, 50442148, 63052685, 100884296, 126105370, 201768592, 252210740, 403537184, 504421480, 1008842960, 2017685920]

約数ペア:

[(1, 2017685920), (2, 1008842960), (4, 504421480), (5, 403537184), (8, 252210740), (10, 201768592), (16, 126105370), (20, 100884296), (32, 63052685), (40, 50442148), (80, 25221074), (109, 18510880), (160, 12610537), (218, 9255440), (436, 4627720), (545, 3702176), (872, 2313860), (1090, 1851088), (1744, 1156930), (2180, 925544), (3488, 578465), (4360, 462772), (8720, 231386), (17440, 115693)]