82171660

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 95639540

約数列:

[1, 2, 4, 5, 10, 20, 59, 83, 118, 166, 236, 295, 332, 415, 590, 830, 839, 1180, 1660, 1678, 3356, 4195, 4897, 8390, 9794, 16780, 19588, 24485, 48970, 49501, 69637, 97940, 99002, 139274, 198004, 247505, 278548, 348185, 495010, 696370, 990020, 1392740, 4108583, 8217166, 16434332, 20542915, 41085830, 82171660]

約数ペア:

[(1, 82171660), (2, 41085830), (4, 20542915), (5, 16434332), (10, 8217166), (20, 4108583), (59, 1392740), (83, 990020), (118, 696370), (166, 495010), (236, 348185), (295, 278548), (332, 247505), (415, 198004), (590, 139274), (830, 99002), (839, 97940), (1180, 69637), (1660, 49501), (1678, 48970), (3356, 24485), (4195, 19588), (4897, 16780), (8390, 9794)]