51323080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 120605760

約数和(自身を除く): 69282680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 563, 860, 1060, 1126, 1720, 2120, 2252, 2279, 2815, 4504, 4558, 5630, 9116, 11260, 11395, 18232, 22520, 22790, 24209, 29839, 45580, 48418, 59678, 91160, 96836, 119356, 121045, 149195, 193672, 238712, 242090, 298390, 484180, 596780, 968360, 1193560, 1283077, 2566154, 5132308, 6415385, 10264616, 12830770, 25661540, 51323080]

約数ペア:

[(1, 51323080), (2, 25661540), (4, 12830770), (5, 10264616), (8, 6415385), (10, 5132308), (20, 2566154), (40, 1283077), (43, 1193560), (53, 968360), (86, 596780), (106, 484180), (172, 298390), (212, 242090), (215, 238712), (265, 193672), (344, 149195), (424, 121045), (430, 119356), (530, 96836), (563, 91160), (860, 59678), (1060, 48418), (1126, 45580), (1720, 29839), (2120, 24209), (2252, 22790), (2279, 22520), (2815, 18232), (4504, 11395), (4558, 11260), (5630, 9116)]