87745880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 207468000

約数和(自身を除く): 119722120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 232, 268, 290, 335, 536, 580, 670, 1129, 1160, 1340, 1943, 2258, 2680, 3886, 4516, 5645, 7772, 9032, 9715, 11290, 15544, 19430, 22580, 32741, 38860, 45160, 65482, 75643, 77720, 130964, 151286, 163705, 261928, 302572, 327410, 378215, 605144, 654820, 756430, 1309640, 1512860, 2193647, 3025720, 4387294, 8774588, 10968235, 17549176, 21936470, 43872940, 87745880]

約数ペア:

[(1, 87745880), (2, 43872940), (4, 21936470), (5, 17549176), (8, 10968235), (10, 8774588), (20, 4387294), (29, 3025720), (40, 2193647), (58, 1512860), (67, 1309640), (116, 756430), (134, 654820), (145, 605144), (232, 378215), (268, 327410), (290, 302572), (335, 261928), (536, 163705), (580, 151286), (670, 130964), (1129, 77720), (1160, 75643), (1340, 65482), (1943, 45160), (2258, 38860), (2680, 32741), (3886, 22580), (4516, 19430), (5645, 15544), (7772, 11290), (9032, 9715)]