66855440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28817}}^1$

素因数の和:28859

約数の個数: 40

約数和(自身を含む): 160804440

約数和(自身を除く): 93949000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 28817, 57634, 115268, 144085, 230536, 288170, 461072, 576340, 835693, 1152680, 1671386, 2305360, 3342772, 4178465, 6685544, 8356930, 13371088, 16713860, 33427720, 66855440]

約数ペア:

[(1, 66855440), (2, 33427720), (4, 16713860), (5, 13371088), (8, 8356930), (10, 6685544), (16, 4178465), (20, 3342772), (29, 2305360), (40, 1671386), (58, 1152680), (80, 835693), (116, 576340), (145, 461072), (232, 288170), (290, 230536), (464, 144085), (580, 115268), (1160, 57634), (2320, 28817)]