89439080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{859}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 213624000

約数和(自身を除く): 124184920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 380, 548, 685, 760, 859, 1096, 1370, 1718, 2603, 2740, 3436, 4295, 5206, 5480, 6872, 8590, 10412, 13015, 16321, 17180, 20824, 26030, 32642, 34360, 52060, 65284, 81605, 104120, 117683, 130568, 163210, 235366, 326420, 470732, 588415, 652840, 941464, 1176830, 2235977, 2353660, 4471954, 4707320, 8943908, 11179885, 17887816, 22359770, 44719540, 89439080]

約数ペア:

[(1, 89439080), (2, 44719540), (4, 22359770), (5, 17887816), (8, 11179885), (10, 8943908), (19, 4707320), (20, 4471954), (38, 2353660), (40, 2235977), (76, 1176830), (95, 941464), (137, 652840), (152, 588415), (190, 470732), (274, 326420), (380, 235366), (548, 163210), (685, 130568), (760, 117683), (859, 104120), (1096, 81605), (1370, 65284), (1718, 52060), (2603, 34360), (2740, 32642), (3436, 26030), (4295, 20824), (5206, 17180), (5480, 16321), (6872, 13015), (8590, 10412)]