128549440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21143}}^1$

素因数の和:21179

約数の個数: 56

約数和(自身を含む): 322234560

約数和(自身を除く): 193685120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 21143, 42286, 84572, 105715, 169144, 211430, 338288, 401717, 422860, 676576, 803434, 845720, 1353152, 1606868, 1691440, 2008585, 3213736, 3382880, 4017170, 6427472, 6765760, 8034340, 12854944, 16068680, 25709888, 32137360, 64274720, 128549440]

約数ペア:

[(1, 128549440), (2, 64274720), (4, 32137360), (5, 25709888), (8, 16068680), (10, 12854944), (16, 8034340), (19, 6765760), (20, 6427472), (32, 4017170), (38, 3382880), (40, 3213736), (64, 2008585), (76, 1691440), (80, 1606868), (95, 1353152), (152, 845720), (160, 803434), (190, 676576), (304, 422860), (320, 401717), (380, 338288), (608, 211430), (760, 169144), (1216, 105715), (1520, 84572), (3040, 42286), (6080, 21143)]