87001990

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{883}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 160392960

約数和(自身を除く): 73390970

約数列:

[1, 2, 5, 10, 59, 118, 167, 295, 334, 590, 835, 883, 1670, 1766, 4415, 8830, 9853, 19706, 49265, 52097, 98530, 104194, 147461, 260485, 294922, 520970, 737305, 1474610, 8700199, 17400398, 43500995, 87001990]

約数ペア:

[(1, 87001990), (2, 43500995), (5, 17400398), (10, 8700199), (59, 1474610), (118, 737305), (167, 520970), (295, 294922), (334, 260485), (590, 147461), (835, 104194), (883, 98530), (1670, 52097), (1766, 49265), (4415, 19706), (8830, 9853)]