105881920

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1235

約数の個数: 56

約数和(自身を含む): 253060200

約数和(自身を除く): 147178280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 809, 818, 1618, 1636, 2045, 3236, 3272, 4045, 4090, 6472, 6544, 8090, 8180, 12944, 13088, 16180, 16360, 25888, 26176, 32360, 32720, 51776, 64720, 65440, 129440, 130880, 258880, 330881, 661762, 1323524, 1654405, 2647048, 3308810, 5294096, 6617620, 10588192, 13235240, 21176384, 26470480, 52940960, 105881920]

約数ペア:

[(1, 105881920), (2, 52940960), (4, 26470480), (5, 21176384), (8, 13235240), (10, 10588192), (16, 6617620), (20, 5294096), (32, 3308810), (40, 2647048), (64, 1654405), (80, 1323524), (160, 661762), (320, 330881), (409, 258880), (809, 130880), (818, 129440), (1618, 65440), (1636, 64720), (2045, 51776), (3236, 32720), (3272, 32360), (4045, 26176), (4090, 25888), (6472, 16360), (6544, 16180), (8090, 13088), (8180, 12944)]