87424040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{461}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 215550720

約数和(自身を除く): 128126680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 431, 440, 461, 862, 922, 1724, 1844, 2155, 2305, 3448, 3688, 4310, 4610, 4741, 5071, 8620, 9220, 9482, 10142, 17240, 18440, 18964, 20284, 23705, 25355, 37928, 40568, 47410, 50710, 94820, 101420, 189640, 198691, 202840, 397382, 794764, 993455, 1589528, 1986910, 2185601, 3973820, 4371202, 7947640, 8742404, 10928005, 17484808, 21856010, 43712020, 87424040]

約数ペア:

[(1, 87424040), (2, 43712020), (4, 21856010), (5, 17484808), (8, 10928005), (10, 8742404), (11, 7947640), (20, 4371202), (22, 3973820), (40, 2185601), (44, 1986910), (55, 1589528), (88, 993455), (110, 794764), (220, 397382), (431, 202840), (440, 198691), (461, 189640), (862, 101420), (922, 94820), (1724, 50710), (1844, 47410), (2155, 40568), (2305, 37928), (3448, 25355), (3688, 23705), (4310, 20284), (4610, 18964), (4741, 18440), (5071, 17240), (8620, 10142), (9220, 9482)]