87803320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 216483840

約数和(自身を除く): 128680520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 431, 440, 463, 862, 926, 1724, 1852, 2155, 2315, 3448, 3704, 4310, 4630, 4741, 5093, 8620, 9260, 9482, 10186, 17240, 18520, 18964, 20372, 23705, 25465, 37928, 40744, 47410, 50930, 94820, 101860, 189640, 199553, 203720, 399106, 798212, 997765, 1596424, 1995530, 2195083, 3991060, 4390166, 7982120, 8780332, 10975415, 17560664, 21950830, 43901660, 87803320]

約数ペア:

[(1, 87803320), (2, 43901660), (4, 21950830), (5, 17560664), (8, 10975415), (10, 8780332), (11, 7982120), (20, 4390166), (22, 3991060), (40, 2195083), (44, 1995530), (55, 1596424), (88, 997765), (110, 798212), (220, 399106), (431, 203720), (440, 199553), (463, 189640), (862, 101860), (926, 94820), (1724, 50930), (1852, 47410), (2155, 40744), (2315, 37928), (3448, 25465), (3704, 23705), (4310, 20372), (4630, 18964), (4741, 18520), (5093, 17240), (8620, 10186), (9260, 9482)]