145314440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{33329}}^1$

素因数の和:33449

約数の個数: 32

約数和(自身を含む): 329967000

約数和(自身を除く): 184652560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 33329, 66658, 133316, 166645, 266632, 333290, 666580, 1333160, 3632861, 7265722, 14531444, 18164305, 29062888, 36328610, 72657220, 145314440]

約数ペア:

[(1, 145314440), (2, 72657220), (4, 36328610), (5, 29062888), (8, 18164305), (10, 14531444), (20, 7265722), (40, 3632861), (109, 1333160), (218, 666580), (436, 333290), (545, 266632), (872, 166645), (1090, 133316), (2180, 66658), (4360, 33329)]