9159880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 21772800

約数和(自身を除く): 12612920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 89, 124, 155, 166, 178, 248, 310, 332, 356, 415, 445, 620, 664, 712, 830, 890, 1240, 1660, 1780, 2573, 2759, 3320, 3560, 5146, 5518, 7387, 10292, 11036, 12865, 13795, 14774, 20584, 22072, 25730, 27590, 29548, 36935, 51460, 55180, 59096, 73870, 102920, 110360, 147740, 228997, 295480, 457994, 915988, 1144985, 1831976, 2289970, 4579940, 9159880]

約数ペア:

[(1, 9159880), (2, 4579940), (4, 2289970), (5, 1831976), (8, 1144985), (10, 915988), (20, 457994), (31, 295480), (40, 228997), (62, 147740), (83, 110360), (89, 102920), (124, 73870), (155, 59096), (166, 55180), (178, 51460), (248, 36935), (310, 29548), (332, 27590), (356, 25730), (415, 22072), (445, 20584), (620, 14774), (664, 13795), (712, 12865), (830, 11036), (890, 10292), (1240, 7387), (1660, 5518), (1780, 5146), (2573, 3560), (2759, 3320)]