66864160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37991}}^1$

素因数の和:38017

約数の個数: 48

約数和(自身を含む): 172331712

約数和(自身を除く): 105467552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 37991, 75982, 151964, 189955, 303928, 379910, 417901, 607856, 759820, 835802, 1215712, 1519640, 1671604, 2089505, 3039280, 3343208, 4179010, 6078560, 6686416, 8358020, 13372832, 16716040, 33432080, 66864160]

約数ペア:

[(1, 66864160), (2, 33432080), (4, 16716040), (5, 13372832), (8, 8358020), (10, 6686416), (11, 6078560), (16, 4179010), (20, 3343208), (22, 3039280), (32, 2089505), (40, 1671604), (44, 1519640), (55, 1215712), (80, 835802), (88, 759820), (110, 607856), (160, 417901), (176, 379910), (220, 303928), (352, 189955), (440, 151964), (880, 75982), (1760, 37991)]